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The Western United States (also called the American West, the Western States, the Far West, the Western territories, and the West) is one of the four census regions defined by the
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
. As American settlement in the U.S. expanded westward, the meaning of the term ''the West'' changed. Before around 1800, the crest of the
Appalachian Mountains The Appalachian Mountains, often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain ...
was seen as the western frontier. The frontier moved westward and eventually the lands west of the
Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...
were considered ''the West''. The U.S. Census Bureau's definition of the 13 westernmost states includes the
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
and the
Great Basin The Great Basin () is the largest area of contiguous endorheic watersheds, those with no outlets to the ocean, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja Californi ...
to the
Pacific Coast Pacific coast may be used to reference any coastline that borders the Pacific Ocean. Geography Americas North America Countries on the western side of North America have a Pacific coast as their western or south-western border. One of th ...
, and the mid-Pacific islands state, Hawaii. To the east of the Western United States is the
Midwestern United States The Midwestern United States (also referred to as the Midwest, the Heartland or the American Midwest) is one of the four census regions defined by the United States Census Bureau. It occupies the northern central part of the United States. It ...
and the
Southern United States The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, Dixieland, or simply the South) is List of regions of the United States, census regions defined by the United States Cens ...
, with
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
to the north and
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
to the south. The West contains several major
biome A biome () is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. In 1935, Tansley added the ...
s, including
arid Aridity is the condition of geographical regions which make up approximately 43% of total global available land area, characterized by low annual precipitation, increased temperatures, and limited water availability.Perez-Aguilar, L. Y., Plata ...
and
semi-arid A semi-arid climate, semi-desert climate, or steppe climate is a aridity, dry climate sub-type. It is located on regions that receive precipitation below Evapotranspiration#Potential evapotranspiration, potential evapotranspiration, but not as l ...
plateau In geology and physical geography, a plateau (; ; : plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. ...
s and
plain In geography, a plain, commonly known as flatland, is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and ...
s, particularly in the
American Southwest The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural list of regions of the United States, region of the United States that includes Arizona and New Mexico, along with adjacen ...
;
forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...
ed
mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...
s, including three major ranges, the
Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...
, the Cascades, and Rocky Mountains; the long
coastal A coast (coastline, shoreline, seashore) is the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. Coasts are influenced by the topography of the surrounding landscape and by aquatic erosion, su ...
shoreline A coast (coastline, shoreline, seashore) is the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. Coasts are influenced by the topography of the surrounding landscape and by aquatic erosion, su ...
of the Pacific Coast; and the
rainforest Rainforests are forests characterized by a closed and continuous tree Canopy (biology), canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforests can be generally classified as tropi ...
s of the
Pacific Northwest The Pacific Northwest (PNW; ) is a geographic region in Western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though no official boundary exists, the most common ...
.


Geographic definition

The Western United States is the largest region of the country, covering nearly half the land area of the contiguous
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. It is also the most geographically diverse, incorporating geographic regions such as the
temperate rainforest Temperate rainforests are rainforests with coniferous or Broad-leaved tree, broadleaf forests that occur in the temperate zone and receive heavy rain. Temperate rainforests occur in oceanic moist regions around the world: the Pacific temperate ...
s of the
Northwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...
, the highest mountain ranges, including the
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
, the
Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...
, and the
Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington (state), Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as m ...
, numerous
glaciers A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...
, and the western edge of the
Great Plains The Great Plains is a broad expanse of plain, flatland in North America. The region stretches east of the Rocky Mountains, much of it covered in prairie, steppe, and grassland. They are the western part of the Interior Plains, which include th ...
. It also contains the majority of the desert areas located in the United States. The Mojave and the
Great Basin The Great Basin () is the largest area of contiguous endorheic watersheds, those with no outlets to the ocean, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja Californi ...
deserts lie entirely within the Western region, along with parts of the Sonoran and Chihuahuan deserts (the latter extends significantly into Texas, while both extend into
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
). Given this expansive and diverse geography it is no wonder that the region is difficult to define precisely. Sensing a possible shift in the popular understanding of the West as a region in the early 1990s, historian Walter Nugent conducted a survey of three groups of professionals with ties to the region: a large group of Western historians (187 respondents), and two smaller groups, 25 journalists and publishers and 39 Western authors. A majority of the historian respondents placed the eastern boundary of the West east of the Census definition out on the eastern edge of the
Great Plains The Great Plains is a broad expanse of plain, flatland in North America. The region stretches east of the Rocky Mountains, much of it covered in prairie, steppe, and grassland. They are the western part of the Interior Plains, which include th ...
or on the
Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...
. The survey respondents as a whole showed just how little agreement there was on the boundaries of the West.


Subregions

The region is split into two smaller units or divisions, by the U.S. Census Bureau: ;
Mountain states The Mountain states (also known as the Mountain West or the Interior West) form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western Un ...
:
Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
,
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
,
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
,
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
,
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
, and
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
;
Pacific states The West Coast of the United States, also known as the Pacific Coast and the Western Seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S. states of Calif ...
: Washington,
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
,
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
, and
Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...
Other classifications distinguish between
Southwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...
and
Northwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...
. Arizona, New Mexico,
West Texas West Texas is a loosely defined region in the U.S. state of Texas, generally encompassing the desert climate, arid and semiarid climate, semiarid lands west of a line drawn between the cities of Wichita Falls, Texas, Wichita Falls, Abilene, Texa ...
, and the Oklahoma panhandle are typically considered to be the Southwest states. Meanwhile, the states of Montana, Idaho, Oregon, and Washington can be considered part of the Northwest or
Pacific Northwest The Pacific Northwest (PNW; ) is a geographic region in Western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though no official boundary exists, the most common ...
. The term West Coast is commonly used to refer to just California, Oregon, Washington, and Alaska, whereas Hawaii is more geographically isolated from the continental U.S. and does not necessarily fit in any of these
subregion A subregion is a part of a larger geographical region or continent. Cardinal directions are commonly used to define subregions. There are many criteria for creating systems of subregions; this article is focusing on the  United Nations geoschem ...
s.


Outlying areas

The three inhabited
Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the cont ...
U.S. territories Territories of the United States are sub-national administrative divisions and dependent territories overseen by the federal government of the United States. The American territories differ from the U.S. states and Indian reservations in th ...
(
American Samoa American Samoa is an Territories of the United States, unincorporated and unorganized territory of the United States located in the Polynesia region of the Pacific Ocean, South Pacific Ocean. Centered on , it is southeast of the island count ...
,
Guam Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...
and the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI), is an Territories of the United States, unincorporated territory and Commonwealth (U.S. insular area), commonwealth of the United States consistin ...
) are sometimes considered part of the Western United States. American Samoa is in
Polynesia Polynesia ( , ) is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean. The indigenous people who inhabit the islands of Polynesia are called Polynesians. They have many things in ...
in the
South Pacific Ocean South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both west and east. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
, while Guam and the Northern Mariana Islands are in the
Mariana Islands The Mariana Islands ( ; ), also simply the Marianas, are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, between the 12th and 21st pa ...
in the western
North Pacific Ocean North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' ...
. Guam and the Northern Mariana Islands have district courts within the
9th Circuit The United States Court of Appeals for the Ninth Circuit (in case citations, 9th Cir.) is the U.S. federal court of appeals that has appellate jurisdiction over the U.S. district courts for the following federal judicial districts: * District ...
, which includes western states such as California and Nevada. (See
District Court of Guam A district is a type of administrative division that in some countries is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivision ...
and
District Court for the Northern Mariana Islands The District Court for the Northern Mariana Islands (in case citations, D. N. Mar. I.) is a federal United States territorial court, territorial court whose jurisdiction comprises the United States-affiliated Commonwealth of the Northern Marian ...
). American Samoa, Guam, and the Northern Mariana Islands are also considered part of the western U.S. by the U.S. National Park Service, the
Federal Reserve Bank A Federal Reserve Bank is a regional bank of the Federal Reserve System, the central banking system of the United States. There are twelve in total, one for each of the twelve Federal Reserve Districts that were created by the Federal Reserve A ...
system,
FEMA The Federal Emergency Management Agency (FEMA) is an agency of the United States Department of Homeland Security (DHS), initially created under President Jimmy Carter by Presidential Reorganization Plan No. 3 of 1978 and implemented by two Exec ...
, and the
USGS The United States Geological Survey (USGS), founded as the Geological Survey, is an government agency, agency of the United States Department of the Interior, U.S. Department of the Interior whose work spans the disciplines of biology, geograp ...
.


Demographics

The population distribution by race in the Western United States (2022): * 51.9%
White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
(47.1% non-Hispanic) * 30.8% Hispanic or Latino ethnicity (of any race) * 10.8% Asian (10.6% non-Hispanic) * 4.5%
Black Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness.Eva Heller, ''P ...
or
African-American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black racial groups of Africa. ...
(4.3% non-Hispanic) * 1.9% American Indian or
Alaska Native Alaska Natives (also known as Native Alaskans, Alaskan Indians, or Indigenous Alaskans) are the Indigenous peoples of the Americas, Indigenous peoples of Alaska that encompass a diverse arena of cultural and linguistic groups, including the I ...
(1.1% non-Hispanic) * 0.6%
Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...
(0.6% non-Hispanic) * 13.3% Some other race (0.6% non-Hispanic) * 17.0% Two or more races (5.0% non-Hispanic) As defined by the
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
, the Western
region In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and ...
of the United States includes 13 states, with a total 2020 population of 78,588,572. The West is one of the most sparsely settled areas in the United States with . Only
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
with , Washington with , and
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
with exceed the national average of . As of 2022, just under half of the 78.7 million residents of the West live in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
. The entire Western region has also been strongly influenced by European, Hispanic or Latino, Asian and Native Americans; it contains the largest number of minorities in the U.S. While most of the studies of racial dynamics in America such as riots in
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
have been written about European and
African-Americans African Americans, also known as Black Americans and formerly also called Afro-Americans, are an American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black racial groups of Africa. ...
, in many cities in the West and
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
,
whites White is a racial classification of people generally used for those of predominantly European ancestry. It is also a skin color specifier, although the definition can vary depending on context, nationality, ethnicity and point of view. De ...
and blacks together are less than half the population because of the preference for the region by
Hispanics The term Hispanic () are people, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, especially within the United States, "Hispanic" is used as an ethnic or meta-ethnic term. The term commonly appli ...
and
Asians "Asian people" (sometimes "Asiatic people")United States National Library of Medicine. Medical Subject Headings. 2004. November 17, 200Nlm.nih.gov: ''Asian Continental Ancestry Group'' is also used for categorical purposes. is an umbrella term ...
. African and European Americans, however, continue to wield a stronger political influence because of the lower rates of citizenship and voting among
Asians "Asian people" (sometimes "Asiatic people")United States National Library of Medicine. Medical Subject Headings. 2004. November 17, 200Nlm.nih.gov: ''Asian Continental Ancestry Group'' is also used for categorical purposes. is an umbrella term ...
and
Hispanics The term Hispanic () are people, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, especially within the United States, "Hispanic" is used as an ethnic or meta-ethnic term. The term commonly appli ...
. According to 2022 estimates from the Census Bureau, the largest ancestries reported in the West are Mexican (24.2%),
German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...
(10.1%), English (9.5%), Irish (7.2%),
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...
(3.5%), Filipino (3.4%), and Chinese (3.3%). The West also contains much of the Native American population in the U.S., particularly in the large reservations in the
Mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...
and Desert States. As of 2022, the West is home to 365,351
Navajo The Navajo or Diné are an Indigenous people of the Southwestern United States. Their traditional language is Diné bizaad, a Southern Athabascan language. The states with the largest Diné populations are Arizona (140,263) and New Mexico (1 ...
, 109,208
Apache The Apache ( ) are several Southern Athabaskan language-speaking peoples of the Southwestern United States, Southwest, the Southern Plains and Northern Mexico. They are linguistically related to the Navajo. They migrated from the Athabascan ho ...
, and 78,364
Blackfeet The Blackfeet Nation (, ), officially named the Blackfeet Tribe of the Blackfeet Indian Reservation of Montana, is a federally recognized tribe of Siksikaitsitapi people with an Indian reservation in Montana. Tribal members primarily belong ...
, as well as 276,082 people identifying as Indigenous Mexican. The largest concentrations for
African-Americans African Americans, also known as Black Americans and formerly also called Afro-Americans, are an American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black racial groups of Africa. ...
in the West can be found in
San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
,
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
,
Oakland Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, with a population of 440,646 in 2020. A major West Coast port, Oakland is ...
,
Sacramento Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...
,
Fresno Fresno (; ) is a city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County, California, Fresno County and the largest city in the greater Central Valley (California), Central Valley region. It covers a ...
,
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
,
Seattle Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...
,
Tacoma Tacoma ( ) is the county seat of Pierce County, Washington, United States. A port city, it is situated along Washington's Puget Sound, southwest of Seattle, southwest of Bellevue, northeast of the state capital, Olympia, northwest of Mount ...
, Phoenix,
Las Vegas Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-l ...
,
Denver Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...
, and
Colorado Springs Colorado Springs is the most populous city in El Paso County, Colorado, United States, and its county seat. The city had a population of 478,961 at the 2020 census, a 15.02% increase since 2010. Colorado Springs is the second-most populous c ...
. The Western United States has a higher
sex ratio A sex ratio is the ratio of males to females in a population. As explained by Fisher's principle, for evolutionary reasons this is typically about 1:1 in species which reproduce sexually. However, many species deviate from an even sex ratio, ei ...
than any other region in the United States. Because the tide of development had not yet reached most of the West when conservation became a national issue, agencies of the
federal government A federation (also called a federal state) is an entity characterized by a political union, union of partially federated state, self-governing provinces, states, or other regions under a #Federal governments, federal government (federalism) ...
own and manage vast areas of land. (The most important among these are the
National Park Service The National Park Service (NPS) is an List of federal agencies in the United States, agency of the Federal government of the United States, United States federal government, within the US Department of the Interior. The service manages all List ...
and the
Bureau of Land Management The Bureau of Land Management (BLM) is an agency within the United States Department of the Interior responsible for administering federal lands, U.S. federal lands. Headquartered in Washington, D.C., the BLM oversees more than of land, or one ...
within the Interior Department, and the
U.S. Forest Service The United States Forest Service (USFS) is an agency within the U.S. Department of Agriculture. It administers the nation's 154 national forests and 20 national grasslands covering of land. The major divisions of the agency are the Chief's ...
within the Agriculture Department.)
National park A national park is a nature park designated for conservation (ethic), conservation purposes because of unparalleled national natural, historic, or cultural significance. It is an area of natural, semi-natural, or developed land that is protecte ...
s are reserved for recreational activities such as
fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment (Freshwater ecosystem, freshwater or Marine ecosystem, marine), but may also be caught from Fish stocking, stocked Body of water, ...
,
camping Camping is a form of outdoor recreation or outdoor education involving overnight stays with a basic temporary shelter such as a tent. Camping can also include a recreational vehicle, sheltered cabins, a permanent tent, a shelter such as a Bivy bag ...
,
hiking A hike is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century. Long hikes as part of a religious pilgrimage have existed for a much longer time. "Hi ...
, and
boating Boating is the leisurely activity of travelling by boat, or the recreational use of a boat whether powerboats, sailboats, or man-powered vessels (such as rowing and paddle boats), focused on the travel itself, as well as sports activities, suc ...
, but other government lands also allow commercial activities like
ranch A ranch (from /Mexican Spanish) is an area of landscape, land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often ap ...
ing,
logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidder, skidding, on-site processing, and loading of trees or trunk (botany), logs onto logging truck, trucksmining Mining is the Resource extraction, extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agriculture, agricultural processes, or feasib ...
. In recent years, some local residents who earn their livelihoods on federal land have come into conflict with the land's managers, who are required to keep land use within environmentally acceptable limits. The largest city in the region is
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
, located on the West Coast. Other West Coast cities include
San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
,
San Bernardino San Bernardino ( ) is a city in and the county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a population of 222,101 in the 2020 census, making it the List of ...
, San Jose,
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
,
Oakland Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, with a population of 440,646 in 2020. A major West Coast port, Oakland is ...
,
Bakersfield Bakersfield is a city in and the county seat of Kern County, California, United States. The city covers about near the southern end of the San Joaquin Valley, which is located in the Central Valley region. Bakersfield's population as of the ...
,
Fresno Fresno (; ) is a city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County, California, Fresno County and the largest city in the greater Central Valley (California), Central Valley region. It covers a ...
,
Sacramento Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...
,
Seattle Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...
,
Tacoma Tacoma ( ) is the county seat of Pierce County, Washington, United States. A port city, it is situated along Washington's Puget Sound, southwest of Seattle, southwest of Bellevue, northeast of the state capital, Olympia, northwest of Mount ...
,
Anchorage Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. The Anchorage metropolita ...
,
Spokane Spokane ( ) is the most populous city in eastern Washington and the county seat of Spokane County, Washington, United States. It lies along the Spokane River, adjacent to the Selkirk Mountains, and west of the Rocky Mountain foothills, south ...
, and
Portland Portland most commonly refers to: *Portland, Oregon, the most populous city in the U.S. state of Oregon *Portland, Maine, the most populous city in the U.S. state of Maine *Isle of Portland, a tied island in the English Channel Portland may also r ...
– some of which are dozens of miles inland. Prominent cities in the
Mountain States The Mountain states (also known as the Mountain West or the Interior West) form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western Un ...
include
Denver Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...
,
Colorado Springs Colorado Springs is the most populous city in El Paso County, Colorado, United States, and its county seat. The city had a population of 478,961 at the 2020 census, a 15.02% increase since 2010. Colorado Springs is the second-most populous c ...
, Phoenix,
Tucson Tucson (; ; ) is a city in Pima County, Arizona, United States, and its county seat. It is the second-most populous city in Arizona, behind Phoenix, Arizona, Phoenix, with a population of 542,630 in the 2020 United States census. The Tucson ...
,
Albuquerque Albuquerque ( ; ), also known as ABQ, Burque, the Duke City, and in the past 'the Q', is the List of municipalities in New Mexico, most populous city in the U.S. state of New Mexico, and the county seat of Bernalillo County, New Mexico, Bernal ...
,
Las Vegas Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-l ...
,
Reno Reno ( ) is a city in the northwest section of the U.S. state of Nevada, along the Nevada–California border. It is the county seat and most populous city of Washoe County, Nevada, Washoe County. Sitting in the High Eastern Sierra foothills, ...
,
Salt Lake City Salt Lake City, often shortened to Salt Lake or SLC, is the capital and most populous city of the U.S. state of Utah. It is the county seat of Salt Lake County, the most populous county in the state. The city is the core of the Salt Lake Ci ...
,
Boise Boise ( ) is the capital and most populous city of the U.S. state of Idaho. As of the 2020 census, there were 235,685 people residing in the city. Located on the Boise River in southwestern Idaho, it is east of the Oregon border and nor ...
, Billings, and
Missoula Missoula ( ) is a city in and the county seat of Missoula County, Montana, Missoula County, Montana, United States. It is located along the Clark Fork River near its confluence with the Bitterroot River, Bitterroot and Blackfoot River (Montana), ...
.


Natural geography

Along the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
coast lie the Coast Ranges, which, while not approaching the scale of the
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
, are formidable nevertheless. They collect a large part of the airborne moisture moving in from the ocean. East of the Coast Ranges lie several cultivated fertile
valley A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over ...
s, notably the San Joaquin and
Sacramento Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...
valleys of
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
and the
Willamette Valley The Willamette Valley ( ) is a valley in Oregon, in the Pacific Northwest region of the United States. The Willamette River flows the entire length of the valley and is surrounded by mountains on three sides: the Cascade Range to the east, the ...
of
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
. Beyond the valleys lie the
Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...
in the south and the
Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington (state), Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as m ...
in the north.
Mount Whitney Mount Whitney (Paiute: ''Too-man-i-goo-yah'' or ''Too-man-go-yah'') is a mountain in the Sierra Nevada mountain range of California, and the highest point in the contiguous United States, with an elevation of . It lies in East–Central Califor ...
, at the tallest peak in the contiguous 48 states, is in the
Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...
. The Cascades are also volcanic.
Mount Rainier Mount Rainier ( ), also known as Tahoma, is a large active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about south-southeast of Seattle. With an off ...
, a volcano in Washington, is also over . Mount St. Helens, a volcano in the Cascades, erupted explosively in 1980. A major volcanic eruption at
Mount Mazama Mount Mazama ( Klamath: ''Tum-sum-ne'') is a complex volcano in the western U.S. state of Oregon, in a segment of the Cascade Volcanic Arc and Cascade Range. The volcano is in Klamath County, in the southern Cascades, north of the Oregon– ...
around 4860 BC formed
Crater Lake Crater Lake ( Klamath: ) is a volcanic crater lake in south-central Oregon in the Western United States. It is the main feature of Crater Lake National Park and is a tourist attraction for its deep blue color and water clarity. T ...
. These mountain ranges see heavy precipitation, capturing most of the moisture that remains after the Coast Ranges, and creating a
rain shadow A rain shadow is an area of significantly reduced rainfall behind a mountainous region, on the side facing away from prevailing winds, known as its leeward side. Evaporated moisture from body of water, bodies of water (such as oceans and larg ...
to the east forming vast stretches of arid land. These dry areas encompass much of
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, and
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
. The
Mojave Desert The Mojave Desert (; ; ) is a desert in the rain shadow of the southern Sierra Nevada mountains and Transverse Ranges in the Southwestern United States. Named for the Indigenous peoples of the Americas, indigenous Mohave people, it is located pr ...
and
Sonoran Desert The Sonoran Desert () is a hot desert and ecoregion in North America that covers the northwestern Mexican states of Sonora, Baja California, and Baja California Sur, as well as part of the Southwestern United States (in Arizona and California). It ...
along with other deserts are found here. Beyond the deserts lie the
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
. In the north, they run almost immediately east of the
Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington (state), Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as m ...
, so that the desert region is only a few miles wide by the time one reaches the Canada–US border. The Rockies are hundreds of miles wide and run uninterrupted from
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
to
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
. The Rocky Mountain Region is the highest overall area of the United States, with an average elevation of above . The tallest peaks of the Rockies, 54 of which are over , are found in central and western
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
. East of the Rocky Mountains is the Great Plains, the western portions (for example, the eastern half of Colorado) of which are generally considered to be part of the western United States. The West has several long rivers that empty into the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
, while the eastern rivers run into the
Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...
. The
Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...
forms the easternmost possible boundary for the West today. The
Missouri River The Missouri River is a river in the Central United States, Central and Mountain states, Mountain West regions of the United States. The nation's longest, it rises in the eastern Centennial Mountains of the Bitterroot Range of the Rocky Moun ...
, a tributary of the
Mississippi Mississippi ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the s ...
, flows from its headwaters in the
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
eastward across the
Great Plains The Great Plains is a broad expanse of plain, flatland in North America. The region stretches east of the Rocky Mountains, much of it covered in prairie, steppe, and grassland. They are the western part of the Interior Plains, which include th ...
, a vast grassy plateau, before sloping gradually down to the forests and hence to the
Mississippi Mississippi ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the s ...
. The
Colorado River The Colorado River () is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The river, the List of longest rivers of the United States (by main stem), 5th longest in the United St ...
snakes through the
Mountain states The Mountain states (also known as the Mountain West or the Interior West) form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western Un ...
, at one point forming the
Grand Canyon The Grand Canyon is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is long, up to wide and attains a depth of over a mile (). The canyon and adjacent rim are contained within Grand Canyon Nati ...
. The
Colorado River The Colorado River () is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The river, the List of longest rivers of the United States (by main stem), 5th longest in the United St ...
is a major source of water in the Southwest and many dams, such as the
Hoover Dam The Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado, Black Canyon of the Colorado River (U.S.), Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, d ...
, form reservoirs along it. So much water is drawn for drinking water throughout the West and irrigation in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
that in most years, water from the
Colorado River The Colorado River () is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The river, the List of longest rivers of the United States (by main stem), 5th longest in the United St ...
no longer reaches the
Gulf of California The Gulf of California (), also known as the Sea of Cortés (''Mar de Cortés'') or Sea of Cortez, or less commonly as the Vermilion Sea (''Mar Vermejo''), is a marginal sea of the Pacific Ocean that separates the Baja California peninsula from ...
. The
Columbia River The Columbia River (Upper Chinook language, Upper Chinook: ' or '; Sahaptin language, Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river headwater ...
, the largest river in volume flowing into the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
from
North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
, and its tributary, the
Snake River The Snake River is a major river in the interior Pacific Northwest region of the United States. About long, it is the largest tributary of the Columbia River, which is the largest North American river that empties into the Pacific Ocean. Begin ...
, water the Pacific Northwest. The Platte runs through
Nebraska Nebraska ( ) is a landlocked U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Ka ...
and was known for being a mile (2 km) wide but only a half-inch (1 cm) deep. The
Rio Grande The Rio Grande ( or ) in the United States or the Río Bravo (del Norte) in Mexico (), also known as Tó Ba'áadi in Navajo language, Navajo, is one of the principal rivers (along with the Colorado River) in the Southwestern United States a ...
forms the border between
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
and
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
before turning due north and splitting
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
in half. According to the
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and Admiralty law, law enforcement military branch, service branch of the armed forces of the United States. It is one of the country's eight Uniformed services ...
, "The Western Rivers System consists of the
Mississippi Mississippi ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the s ...
,
Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...
,
Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...
,
Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...
,
Tennessee Tennessee (, ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Kentucky to the north, Virginia to the northeast, North Carolina t ...
,
Cumberland Cumberland ( ) is an area of North West England which was historically a county. The county was bordered by Northumberland to the north-east, County Durham to the east, Westmorland to the south-east, Lancashire to the south, and the Scottish ...
,
Arkansas Arkansas ( ) is a landlocked state in the West South Central region of the Southern United States. It borders Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, Texas to the southwest, and Oklahoma ...
, and White Rivers and their tributaries, and certain other rivers that flow towards the
Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...
." The Ohio River portion of the system includes parts of several Atlantic coastal states, from Georgia to New York.


Climate and agriculture

Most of the public land held by the U.S. National Forest Service and Bureau of Land Management is in the Western states. Public lands account for 25 to 75 percent of the total land area in these states. The climate of the West is
semi-arid A semi-arid climate, semi-desert climate, or steppe climate is a aridity, dry climate sub-type. It is located on regions that receive precipitation below Evapotranspiration#Potential evapotranspiration, potential evapotranspiration, but not as l ...
, yet parts of the region get high amounts of rain or snow. Other parts are true desert which receive less than of rain per year. The climate is increasingly unstable, and subject to periods of severe drought. The seasonal temperatures vary greatly throughout the West. Low elevations on the West Coast have warm summers and mild winters with little to no snow. The
desert southwest The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural list of regions of the United States, region of the United States that includes Arizona and New Mexico, along with adjacen ...
has very hot summers and mild winters. While the mountains in the southwest receive generally large amounts of snow. The Inland Northwest has a
continental climate Continental climates often have a significant annual variation in temperature (warm to hot summers and cold winters). They tend to occur in central and eastern parts of the three northern-tier continents (North America, Europe, and Asia), typi ...
of warm to hot summers and cold to bitterly cold winters. Annual rainfall is greater in the eastern portions, gradually tapering off until reaching the Pacific Coast where it increases again. In fact, the greatest annual rainfall in the United States falls in the coastal regions of the
Pacific Northwest The Pacific Northwest (PNW; ) is a geographic region in Western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though no official boundary exists, the most common ...
. Drought is much more common in the West than the rest of the United States. The driest place recorded in the U.S. is
Death Valley Death Valley is a desert valley in Eastern California, in the northern Mojave Desert, bordering the Great Basin Desert. It is thought to be the Highest temperature recorded on Earth, hottest place on Earth during summer. Death Valley's Badwat ...
, California. In Western states, drought is closely associated with fire risk, and there have been a number of notable wildfires causing extensive property damage and wildlife
habitat destruction Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...
. The Western United States is predicted to experience drought-like conditions for much of the 21st century. Violent thunderstorms occur east of the Rockies.
Tornado A tornado is a violently rotating column of air that is in contact with the surface of Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind or cyclone, although the ...
es occur every spring on the southern plains, with the most common and most destructive centered on
Tornado Alley Tornado Alley, also known as Tornado Valley, is a loosely defined location of the central United States and, in the 21st century, Canada where tornadoes are most frequent. The term was first used in 1952 as the title of a research project to st ...
, which covers eastern portions of the West, (
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
to
North Dakota North Dakota ( ) is a U.S. state in the Upper Midwest, named after the indigenous Dakota people, Dakota and Sioux peoples. It is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minneso ...
), and all states in between and to the east. Agriculture varies depending on rainfall, irrigation, soil, elevation, and temperature extremes. The arid regions generally support only livestock grazing, chiefly beef cattle. The '' wheat belt'' extends from
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
through
The Dakotas The Dakotas, also known as simply Dakota, is a collective term for the U.S. states of North Dakota and South Dakota. It has been used historically to describe the Dakota Territory, and is still used for the collective heritage, culture, geo ...
, producing most of the wheat and soybeans in the U.S. and exporting more to the rest of the world. Irrigation in the
Southwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...
allows the growth of great quantities of fruits, nuts, and vegetables as well as grain, hay, and flowers.
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
is a major cattle and sheep raising area, as well as the nation's largest producer of cotton. Washington is famous for its apples, and
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
for its potatoes.
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
and
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
are major producers of
citrus ''Citrus'' is a genus of flowering trees and shrubs in the family Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, mandarins, lemons, grapefruits, pomelos, and limes. ''Citrus'' is nativ ...
crops, however, declining supplies of water, as well as urban sprawl have contributed to a sharp decline in citrus production in Arizona. Many varieties of chile peppers are grown in the valleys of
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
. Starting in 1902, Congress passed a series of acts authorizing the establishment of the
United States Bureau of Reclamation The Bureau of Reclamation, formerly the United States Reclamation Service, is a federal agency under the U.S. Department of the Interior, which oversees water resource management, specifically as it applies to the oversight and operatio ...
to oversee water development projects in seventeen western states. During the first half of the 20th century, dams and irrigation projects provided water for rapid agricultural growth throughout the West and brought prosperity for several states, where agriculture had previously only been subsistence level. Following
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, the West's cities experienced an economic and population boom. The population growth, mostly in the
Southwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...
states of
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
,
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
, and
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
, has strained water and power resources, with water diverted from agricultural uses to major population centers, such as the
Las Vegas Valley The Las Vegas Valley is a major metropolitan area in the Southern Nevada, southern part of the U.S. state of Nevada, and the second largest in the Southwestern United States. The state's largest urban agglomeration, the Las Vegas Metropolitan St ...
and
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
.


Geology

Plains make up much of the eastern portion of the West, underlain with sedimentary rock from the Upper
Paleozoic The Paleozoic ( , , ; or Palaeozoic) Era is the first of three Era (geology), geological eras of the Phanerozoic Eon. Beginning 538.8 million years ago (Ma), it succeeds the Neoproterozoic (the last era of the Proterozoic Eon) and ends 251.9 Ma a ...
,
Mesozoic The Mesozoic Era is the Era (geology), era of Earth's Geologic time scale, geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Period (geology), Periods. It is characterized by the dominance of archosaurian r ...
, and
Cenozoic The Cenozoic Era ( ; ) is Earth's current geological era, representing the last 66million years of Earth's history. It is characterized by the dominance of mammals, insects, birds and angiosperms (flowering plants). It is the latest of three g ...
eras. The
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
expose igneous and metamorphic rock both from the
Precambrian The Precambrian ( ; or pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of t ...
and from the
Phanerozoic The Phanerozoic is the current and the latest of the four eon (geology), geologic eons in the Earth's geologic time scale, covering the time period from 538.8 million years ago to the present. It is the eon during which abundant animal and ...
eon. The Inter-mountain States and
Pacific Northwest The Pacific Northwest (PNW; ) is a geographic region in Western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though no official boundary exists, the most common ...
have huge expanses of volcanic rock from the
Cenozoic The Cenozoic Era ( ; ) is Earth's current geological era, representing the last 66million years of Earth's history. It is characterized by the dominance of mammals, insects, birds and angiosperms (flowering plants). It is the latest of three g ...
era. Salt flats and salt lakes reveal a time when the great inland seas covered much of what is now the West. The Pacific states are the most geologically active areas in the United States.
Earthquake An earthquakealso called a quake, tremor, or tembloris the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes can range in intensity, from those so weak they ...
s cause damage every few to several years in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
. While the
Pacific states The West Coast of the United States, also known as the Pacific Coast and the Western Seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S. states of Calif ...
are the most volcanically active areas, extinct
volcano A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most oft ...
es and lava flows are found throughout most of the West.


Wildlife


History

The Western United States has been populated by Native Americans since at least 11,000 years ago, when the first Paleo-Indians arrived. Pre-Columbian trade routes to kingdoms and empires such as the Mound Builders existed in places such as
Yellowstone National Park Yellowstone National Park is a List of national parks of the United States, national park of the United States located in the northwest corner of Wyoming, with small portions extending into Montana and Idaho. It was established by the 42nd U ...
since around 1000 AD. Major settlement of the western territories developed rapidly in the 1840s, largely through the
Oregon Trail The Oregon Trail was a east–west, large-wheeled wagon route and Westward Expansion Trails, emigrant trail in North America that connected the Missouri River to valleys in Oregon Territory. The eastern part of the Oregon Trail crossed what ...
and the
California Gold Rush The California gold rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The news of gold brought approximately 300,000 people to California from the rest of the U ...
of 1849.
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
experienced such a rapid growth in a few short months that it was admitted to statehood in 1850 without the normal transitory phase of becoming an official territory. One of the largest migrations in American history occurred in the 1840s as the
Latter Day Saints The Latter Day Saint movement (also called the LDS movement, LDS restorationist movement, or Smith–Rigdon movement) is the collection of independent church groups that trace their origins to a Christian Restorationist movement founded b ...
left the
Midwest The Midwestern United States (also referred to as the Midwest, the Heartland or the American Midwest) is one of the four census regions defined by the United States Census Bureau. It occupies the northern central part of the United States. It ...
to build a theocracy in
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
. Both
Omaha, Nebraska Omaha ( ) is the List of cities in Nebraska, most populous city in the U.S. state of Nebraska. It is located in the Midwestern United States along the Missouri River, about north of the mouth of the Platte River. The nation's List of United S ...
and
St. Louis, Missouri St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an Independent city (United States), independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi River, Mississippi and the Miss ...
laid claim to the title, "Gateway to the West" during this period.
Omaha Omaha ( ) is the List of cities in Nebraska, most populous city in the U.S. state of Nebraska. It is located in the Midwestern United States along the Missouri River, about north of the mouth of the Platte River. The nation's List of United S ...
, home to the
Union Pacific Railroad The Union Pacific Railroad is a Railroad classes, Class I freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United Stat ...
and the
Mormon Trail The Mormon Trail is the route from Illinois to Utah on which Mormon pioneers (members of the Church of Jesus Christ of Latter-day Saints) traveled from 1846 to 1869. Today, the Mormon Trail is a part of the United States National Trails Syst ...
, made its fortunes on outfitting settlers;
St. Louis St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a populatio ...
built itself upon the vast
fur trade The fur trade is a worldwide industry dealing in the acquisition and sale of animal fur. Since the establishment of a world fur market in the early modern period, furs of boreal ecosystem, boreal, polar and cold temperate mammalian animals h ...
in the West before its settlement. The 1850s were marked by political battles over the expansion of slavery into the western territories, issues leading to the Civil War. Between 1863 and 1869, North America's
first transcontinental railroad America's first transcontinental railroad (known originally as the "Pacific Railroad" and later as the "Overland Route (Union Pacific Railroad), Overland Route") was a continuous railroad line built between 1863 and 1869 that connected the exis ...
was constructed to connect the
eastern US The Eastern United States, often abbreviated as simply the East, is a macroregion of the United States located to the east of the Mississippi River. It includes 17–26 states and Washington, D.C., the national capital. As of 2011, the Eastern ...
with the
Pacific coast Pacific coast may be used to reference any coastline that borders the Pacific Ocean. Geography Americas North America Countries on the western side of North America have a Pacific coast as their western or south-western border. One of th ...
. The resulting railroad connection revolutionized the settlement and economy of the American West by making the transportation of passengers and freight quicker, safer, and cheaper. The history of the American West in the late 19th and early 20th centuries has acquired a cultural mythos in the literature and cinema of the United States. The image of the
cowboy A cowboy is an animal herder who tends cattle on ranches in North America, traditionally on horseback, and often performs a multitude of other ranch-related tasks. The historic American cowboy of the late 19th century arose from the ''vaquero'' ...
, the homesteader, and westward expansion took real events and transmuted them into a myth of the west which has shaped much of American popular culture since the late 19th century. Writers as diverse as
Bret Harte Bret Harte ( , born Francis Brett Hart, August 25, 1836 – May 5, 1902) was an American short story writer and poet best remembered for short fiction featuring miners, gamblers, and other romantic figures of the California Gold Rush. In a caree ...
and
Zane Grey Pearl Zane Grey (January 31, 1872 – October 23, 1939) was an American author and dentist. He is known for his popular adventure novels and stories associated with the Western genre in literature and the arts; he idealized the American frontier ...
celebrated or derided cowboy culture, while artists such as
Frederic Remington Frederic Sackrider Remington (October 4, 1861 – December 26, 1909) was an American painter, illustrator, sculptor, and writer who specialized in the genre of Western American Art. His works are known for depicting the Western United Sta ...
created
Western art The art of Europe, also known as Western art, encompasses the history of visual art in Europe. European prehistoric art started as mobile Upper Paleolithic rock and cave painting and petroglyph art and was characteristic of the period bet ...
as a method of recording the expansion into the west. The American cinema, in particular, created the genre of the Western movie, which, in many cases, use the West as a metaphor for the virtue of self-reliance and an American ethos. The contrast between the romanticism of culture about the West and the actuality of the history of the westward expansion has been a theme of late 20th and early 21st century scholarship about the West. Cowboy culture has become embedded in the American experience as a common cultural touchstone, and modern forms as diverse as country and western music have celebrated the sense of isolation and independence of spirit inspired by the frontiersmen on "virgin land".


20th century

The advent of the
automobile A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, Car seat, seat one to eight people, have four wheels, and mainly transport private transport#Personal transport, peopl ...
enabled the average American to tour the West. Western businessmen promoted
Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) is one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The high ...
as a means to bring tourism and industry to the West. In the 1950s, representatives from all the western states built the Cowboy Hall of Fame and Western Heritage Center to showcase western culture and greet travelers from the
East East is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fact that ea ...
. During the latter half of the 20th century, several transcontinental interstate highways crossed the West bringing more trade and tourists from the East. Oil boom towns in
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
and
Oklahoma Oklahoma ( ; Choctaw language, Choctaw: , ) is a landlocked U.S. state, state in the South Central United States, South Central region of the United States. It borders Texas to the south and west, Kansas to the north, Missouri to the northea ...
rivaled the old mining camps for their rawness and wealth. The
Dust Bowl The Dust Bowl was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s. The phenomenon was caused by a combination of natural factors (severe drought) and hum ...
forced children of the original homesteaders even further west. The movies became America's chief entertainment source featuring
western fiction Western fiction is a genre of literature set in the American Old West frontier and typically set from the late eighteenth to the late nineteenth century. Well-known writers of Western fiction include Zane Grey from the early 20th century and ...
, later the community of
Hollywood Hollywood usually refers to: * Hollywood, Los Angeles, a neighborhood in California * Hollywood, a metonym for the cinema of the United States Hollywood may also refer to: Places United States * Hollywood District (disambiguation) * Hollywood ...
in
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
became the
headquarters Headquarters (often referred to as HQ) notes the location where most or all of the important functions of an organization are coordinated. The term is used in a wide variety of situations, including private sector corporations, non-profits, mil ...
of the
mass media Mass media include the diverse arrays of media that reach a large audience via mass communication. Broadcast media transmit information electronically via media such as films, radio, recorded music, or television. Digital media comprises b ...
such as radio and television production.
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
has emerged as the most populous state and one of the top 10 economies in the world. Massive late 19th–20th century population and settlement booms created two
megalopolis A megalopolis () or a supercity, also called a megaregion, is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. They are integrated enough ...
areas of the
Greater Los Angeles Greater Los Angeles is the most populous metropolitan area in the U.S. state of California, encompassing five counties in Southern California extending from Ventura County in the west to San Bernardino County and Riverside County in the eas ...
/
Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural List of regions of California, region that generally comprises the southern portion of the U.S. state of California. Its densely populated coastal reg ...
and the
San Francisco Bay Area The San Francisco Bay Area, commonly known as the Bay Area, is a List of regions of California, region of California surrounding and including San Francisco Bay, and anchored by the cities of Oakland, San Francisco, and San Jose, California, S ...
/
Northern California Northern California (commonly shortened to NorCal) is a geocultural region that comprises the northern portion of the U.S. state of California, spanning the northernmost 48 of the state's List of counties in California, 58 counties. Northern Ca ...
regions, one of the nation's largest metropolitan areas and in the top 25 largest urban areas in the world. Five more metropolitan areas of
San Bernardino San Bernardino ( ) is a city in and the county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a population of 222,101 in the 2020 census, making it the List of ...
- Riverside,
San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
,
Denver Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...
, Phoenix, and
Seattle Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...
have over a million residents, while the three fastest growing metro areas were the
Salt Lake City metropolitan area The Salt Lake City metropolitan area is the metropolitan area centered on the city of Salt Lake City, Utah. The Office of Management and Budget and the United States Census Bureau currently define the Salt Lake City, Utah Metropolitan Statistical ...
, the
Las Vegas metropolitan area Clark County is the most populous county in the U.S. state of Nevada with 2,265,461 residents as of the 2020 census. The county is the location of the state's three largest cities, Las Vegas (the county seat), Henderson, and North Las Vegas ...
; and the
Portland metropolitan area The Portland metropolitan area is a metropolitan area, metro area with its urban area, core in the U.S. states of Oregon and Washington (state), Washington. It has 5 principal cities, the largest being Portland, Oregon. The U.S. Office of Man ...
. Since the mid-1970s, historians of the West have emphasized the
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
years as a major watershed, as a region experienced enormous social and economic change, and became the pacesetter for societal evolution. The population soared, especially in metropolitan areas, as a result of massive expansion of the manufacture of airplanes, ships and munitions and of military and Naval training facilities. California upgraded universities to world-class status, intensified scientific research, and expanded infrastructure. After the war millions more migrated using the
GI Bill The G.I. Bill, formally the Servicemen's Readjustment Act of 1944, was a law that provided a range of benefits for some of the returning World War II veterans (commonly referred to as G.I.s). The original G.I. Bill expired in 1956, but the te ...
to buy suburban homes, many of them recalling rewarding wartime experience in military training facilities. The region had always been more democratic with greater
racial Race is a categorization of humans based on shared physical or social qualities into groups generally viewed as distinct within a given society. The term came into common usage during the 16th century, when it was used to refer to groups of va ...
and
gender equality Gender equality, also known as sexual equality, gender egalitarianism, or equality of the sexes, is the state of equal ease of access to resources and opportunities regardless of gender, including economic participation and decision-making, an ...
, and continued as a national pacesetter in modernization. New problems emerged, especially environmental issues where westerners took the lead in areas such as the allocation of scarce water resources as well as dealing with smog and air pollution. More recently historians have looked at nuances, pointing out that some of the trends began before 1941.
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
has the largest Mexican population outside of
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
, while
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
has the largest Chinese community in
North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
and also has a large
LGBT LGBTQ people are individuals who are lesbian, gay, bisexual, transgender, queer, or questioning. Many variants of the initialism are used; LGBTQIA+ people incorporates intersex, asexual, aromantic, agender, and other individuals. The gro ...
community, and
Oakland, California Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, California, Alameda County, with a population of 440,646 in 2020. A major We ...
has a large percentage of residents being
African-American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black racial groups of Africa. ...
, as well as
Long Beach, California Long Beach is a coastal city in southeastern Los Angeles County, California, United States. It is the list of United States cities by population, 44th-most populous city in the United States, with a population of 451,307 as of 2022. A charter ci ...
which also has a significant black community. The state of
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
has a
Mormon Mormons are a religious and cultural group related to Mormonism, the principal branch of the Latter Day Saint movement started by Joseph Smith in upstate New York during the 1820s. After Smith's death in 1844, the movement split into several ...
majority (estimated at 62.4% in 2004), while some cities like
Albuquerque, New Mexico Albuquerque ( ; ), also known as ABQ, Burque, the Duke City, and in the past 'the Q', is the List of municipalities in New Mexico, most populous city in the U.S. state of New Mexico, and the county seat of Bernalillo County, New Mexico, Bernal ...
;
Billings, Montana Billings is the most populous Lists of populated places in the United States, city in the U.S. state of Montana, with a population of 117,116 as of the 2020 United States census, 2020 census. Located in the south-central portion of the state, i ...
;
Spokane, Washington Spokane ( ) is the most populous city in eastern Washington and the county seat of Spokane County, Washington, United States. It lies along the Spokane River, adjacent to the Selkirk Mountains, and west of the Rocky Mountain foothills, south o ...
; and
Tucson, Arizona Tucson (; ; ) is a city in Pima County, Arizona, United States, and its county seat. It is the second-most populous city in Arizona, behind Phoenix, Arizona, Phoenix, with a population of 542,630 in the 2020 United States census. The Tucson ...
are located near
Indian reservation An American Indian reservation is an area of land land tenure, held and governed by a List of federally recognized tribes in the contiguous United States#Description, U.S. federal government-recognized Native American tribal nation, whose gov ...
s. In remote areas there are settlements of Alaskan Natives and
Native Hawaiians Native Hawaiians (also known as Indigenous Hawaiians, Kānaka Maoli, Aboriginal Hawaiians, or simply Hawaiians; , , , and ) are the Indigenous Polynesian people of the Hawaiian Islands. Hawaiʻi was settled at least 800 years ago by Polynesian ...
.


Culture

Historically, the traditional culture of the Western United States has been defined by the
cowboys A cowboy is a professional pastoralist or mounted livestock herder, usually from the Americas or Australia. Cowboy(s) or The Cowboy(s) may also refer to: Film and television * ''Cowboy'' (1958 film), starring Glenn Ford * ''Cowboy'' (1966 film), ...
, pioneers, and Native Americans who first inhabited the
Wild West The American frontier, also known as the Old West, and popularly known as the Wild West, encompasses the geography, history, folklore, and culture associated with the forward wave of American expansion in mainland North America that bega ...
. The sparse geography of the western deserts (
Mojave Desert The Mojave Desert (; ; ) is a desert in the rain shadow of the southern Sierra Nevada mountains and Transverse Ranges in the Southwestern United States. Named for the Indigenous peoples of the Americas, indigenous Mohave people, it is located pr ...
,
Great Basin Desert The Great Basin Desert is part of the Great Basin between the Sierra Nevada and the Wasatch Range in the western United States. The desert is a geographical region that largely overlaps the Great Basin shrub steppe defined by the World Wildlife ...
) and isolated small
town A town is a type of a human settlement, generally larger than a village but smaller than a city. The criteria for distinguishing a town vary globally, often depending on factors such as population size, economic character, administrative stat ...
s, combined with the broad freeways (
U.S. Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) is one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The high ...
) and long railroads (
First transcontinental railroad America's first transcontinental railroad (known originally as the "Pacific Railroad" and later as the "Overland Route (Union Pacific Railroad), Overland Route") was a continuous railroad line built between 1863 and 1869 that connected the exis ...
), have contributed to the popular image of the west as a desolate, open space full of unending roads. Facing both the Pacific Ocean and the Mexican border, the West has been shaped by a variety of ethnic groups.
Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...
is the only state in the union in which
Asian Americans Asian Americans are Americans with Asian diaspora, ancestry from the continent of Asia (including naturalized Americans who are Immigration to the United States, immigrants from specific regions in Asia and descendants of those immigrants). A ...
outnumber
white American White Americans (sometimes also called Caucasian Americans) are Americans who identify as white people. In a more official sense, the United States Census Bureau, which collects demographic data on Americans, defines "white" as " person having ...
residents. People from many countries in Asia settled in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
and other coastal states in several waves of immigration since the 19th century, contributing to the
Gold rush A gold rush or gold fever is a discovery of gold—sometimes accompanied by other precious metals and rare-earth minerals—that brings an onrush of miners seeking their fortune. Major gold rushes took place in the 19th century in Australia, ...
, the building of the transcontinental railroad, agriculture, and more recently, high technology. The border states—
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
,
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
,
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
, and
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
—and other southwestern states such as
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, and
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
all have large
Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
populations, and the many
Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many countries in the Americas **Spanish cuisine **Spanish history **Spanish culture ...
place names attest to their history as former Spanish and Mexican territories. Mexican-Americans have also had a growing population in Northwestern states of
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
and Washington, as well as the southern states of
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
and
Oklahoma Oklahoma ( ; Choctaw language, Choctaw: , ) is a landlocked U.S. state, state in the South Central United States, South Central region of the United States. It borders Texas to the south and west, Kansas to the north, Missouri to the northea ...
. In the
Pacific States The West Coast of the United States, also known as the Pacific Coast and the Western Seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S. states of Calif ...
, the wide areas filled with small towns, farms, and forests are supplemented by a few big port cities which have evolved into world centers for the media and technology industries. Now the second largest city in the nation,
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
is best known as the home of the
Hollywood Hollywood usually refers to: * Hollywood, Los Angeles, a neighborhood in California * Hollywood, a metonym for the cinema of the United States Hollywood may also refer to: Places United States * Hollywood District (disambiguation) * Hollywood ...
film A film, also known as a movie or motion picture, is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, emotions, or atmosphere through the use of moving images that are generally, sinc ...
industry; the area around
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
also was a major center for the
aerospace Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial, and military applications. Aerospace engineering consists of aeronautics and astron ...
industry by
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, though Boeing, located in
Washington state Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States. It is often referred to as Washington State to distinguish it from the national capital, both named after George Washington ...
would lead the aerospace industry. Fueled by the growth of
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
, as well as the
San Francisco Bay area The San Francisco Bay Area, commonly known as the Bay Area, is a List of regions of California, region of California surrounding and including San Francisco Bay, and anchored by the cities of Oakland, San Francisco, and San Jose, California, S ...
, including
Silicon Valley Silicon Valley is a region in Northern California that is a global center for high technology and innovation. Located in the southern part of the San Francisco Bay Area, it corresponds roughly to the geographical area of the Santa Clara Valley ...
, the center of America's high tech industry,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
has become the most populous of all the 50 states.
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
and Washington have also seen rapid growth with the rise of
Boeing The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
and
Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...
along with agriculture and resource based industries.
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
—the northernmost state in the Union—is a vast land of few people, many of them native, and of great stretches of wilderness, protected in
national park A national park is a nature park designated for conservation (ethic), conservation purposes because of unparalleled national natural, historic, or cultural significance. It is an area of natural, semi-natural, or developed land that is protecte ...
s and
wildlife refuge A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geolog ...
s. Hawaii's location makes it a major gateway between the United States and Asia, as well as a center for tourism. The
Mountain States The Mountain states (also known as the Mountain West or the Interior West) form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western Un ...
subregion includes
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
,
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
,
Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
,
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
,
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, and
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
. The mountain states have relatively low population densities, and developed as ranching and mining areas that only recently became urbanized. Most of them have highly individualistic cultures, and have worked to balance the interests of urban development, recreation, and the environment. Culturally distinctive points of the mountain states include the large
Mormon Mormons are a religious and cultural group related to Mormonism, the principal branch of the Latter Day Saint movement started by Joseph Smith in upstate New York during the 1820s. After Smith's death in 1844, the movement split into several ...
population in the
Mormon Corridor The Mormon corridor are the areas of western North America that were settled between 1850 and approximately 1890 by members of the Church of Jesus Christ of Latter-day Saints (LDS Church), who are commonly called "Mormons". In academic literatu ...
, including southeastern
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, Northern
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
, and
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
; the extravagant
casino A casino is a facility for gambling. Casinos are often built near or combined with hotels, resorts, restaurants, retail shops, cruise ships, and other tourist attractions. Some casinos also host live entertainment, such as stand-up comedy, conce ...
resort towns of
Las Vegas Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-l ...
and
Reno Reno ( ) is a city in the northwest section of the U.S. state of Nevada, along the Nevada–California border. It is the county seat and most populous city of Washoe County, Nevada, Washoe County. Sitting in the High Eastern Sierra foothills, ...
,
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
; and the numerous American Indian tribal reservations.


Sports

Professional sports leagues such as the
National Football League The National Football League (NFL) is a Professional gridiron football, professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National ...
(NFL),
Major League Baseball Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...
(MLB),
National Basketball Association The National Basketball Association (NBA) is a professional basketball league in North America composed of 30 teams (29 in the United States and 1 in Canada). The NBA is one of the major professional sports leagues in the United States and Ca ...
(NBA),
Women's National Basketball Association The Women's National Basketball Association (WNBA) is a women's professional basketball league in the United States. The league comprises 13 teams (scheduled to expand to 15 in 2026). The WNBA is headquartered in Midtown Manhattan. The WNBA w ...
(WNBA),
National Hockey League The National Hockey League (NHL; , ''LNH'') is a professional ice hockey league in North America composed of 32 teams25 in the United States and 7 in Canada. The NHL is one of the major professional sports leagues in the United States and Cana ...
(NHL),
Major League Soccer Major League Soccer (MLS) is a professional Association football, soccer league in North America and the highest level of the United States soccer league system. It comprises 30 teams, with 27 in the United States and 3 in Canada, and is sanc ...
(MLS), and
National Women's Soccer League The National Women's Soccer League (NWSL) is a women's professional Association football, soccer league and the highest level of the United States soccer league system#Women's leagues, United States soccer league system (alongside the USL Supe ...
(NWSL), have team franchises in following cities/metropolitan areas of the region: *
Denver Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...
:
Avalanche An avalanche is a rapid flow of snow down a Grade (slope), slope, such as a hill or mountain. Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, othe ...
(NHL), Broncos (NFL), Nuggets (NBA),
Rapids Rapids are sections of a river where the river bed has a relatively steep stream gradient, gradient, causing an increase in water velocity and turbulence. Flow, gradient, constriction, and obstacles are four factors that are needed for a rapid t ...
(MLS), Rockies (MLB) * Phoenix metropolitan area: Cardinals (NFL), Diamondbacks (MLB), Mercury (WNBA), Suns (NBA) *
Las Vegas Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-l ...
:
Aces An ace is a playing card. Ace(s), ACE(S) and variants may also refer to: Arts, entertainment, and media Awards * ACE Awards (Award for Cable Excellence) Comics * ''Ace Comics'', a 1937-1959 comic book series * Ace Magazines (comics), a 1940- ...
(WNBA), Golden Knights (NHL), Raiders (NFL) *
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
metropolitan area: Angel City (NWSL),
Angels An angel is a spiritual (without a physical body), heavenly, or supernatural being, usually humanoid with bird-like wings, often depicted as a messenger or intermediary between God (the transcendent) and humanity (the profane) in variou ...
(MLB), Chargers (NFL), Clippers (NBA), Dodgers (MLB),
Ducks Duck is the common name for numerous species of waterfowl in the family (biology), family Anatidae. Ducks are generally smaller and shorter-necked than swans and goose, geese, which are members of the same family. Divided among several subfam ...
(NHL)
Los Angeles FC Los Angeles Football Club (LAFC) is an American professional association football, soccer club based in Los Angeles. The club competes in Major League Soccer (MLS) as a member of the Western Conference (MLS), Western Conference. It was establi ...
or the Black and Gold Falcons (MLS),
Galaxy A galaxy is a Physical system, system of stars, stellar remnants, interstellar medium, interstellar gas, cosmic dust, dust, and dark matter bound together by gravity. The word is derived from the Ancient Greek, Greek ' (), literally 'milky', ...
(MLS), Kings (NHL), Lakers (NBA),
Rams In engineering, reliability, availability, maintainability and safety (RAMS)Sparks (WNBA) *
Portland Portland most commonly refers to: *Portland, Oregon, the most populous city in the U.S. state of Oregon *Portland, Maine, the most populous city in the U.S. state of Maine *Isle of Portland, a tied island in the English Channel Portland may also r ...
: Trail Blazers (NBA), Thorns (NWSL), Timbers (MLS) *
Sacramento Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...
: Kings (NBA) *
Salt Lake City Salt Lake City, often shortened to Salt Lake or SLC, is the capital and most populous city of the U.S. state of Utah. It is the county seat of Salt Lake County, the most populous county in the state. The city is the core of the Salt Lake Ci ...
:
Jazz Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana, in the late 19th and early 20th centuries. Its roots are in blues, ragtime, European harmony, African rhythmic rituals, spirituals, h ...
(NBA), Royals (NWSL), Real (MLS), Utah HC (NHL) *
San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
:
Padres {{About, the Roman Catholic priests' organization, other uses, Padres (disambiguation) ''Padres Asociados para Derechos Religiosos, Educativos, y Sociales'' ( Spanish for "Priests Associated for Religious, Education, and Social Rights") is a Chica ...
(MLB), San Diego Football Club, San Diego FC (MLS), San Diego Wave FC, Wave (NWSL) *
San Francisco Bay Area The San Francisco Bay Area, commonly known as the Bay Area, is a List of regions of California, region of California surrounding and including San Francisco Bay, and anchored by the cities of Oakland, San Francisco, and San Jose, California, S ...
: San Francisco 49ers, 49ers (NFL), Bay Football Club, Bay (NWSL), San Jose Earthquakes, Earthquakes (MLS), San Francisco Giants, Giants (MLB), San Jose Sharks, Sharks (NHL), Golden State Valkyries, Valkyries (WNBA), Golden State Warriors, Warriors (NBA) *
Seattle Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...
: Seattle Kraken, Kraken (NHL), Seattle Mariners, Mariners (MLB), Seattle Reign FC, Reign (NWSL), Seattle Seahawks, Seahawks (NFL), Seattle Sounders FC, Sounders (MLS), Seattle Storm, Storm (WNBA) * West Sacramento, California, West Sacramento: Athletics (baseball), Athletics (MLB) (the team will relocate to Las Vegas in 2027)


Major metropolitan areas

These are the largest Metropolitan Statistical Areas (MSA) with a population above 500,000 in the 13 Western states. Population figures are as of April 1, 2020, as enumerated by the
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
:


Other population centers

* The MSA of El Paso, Texas, El Paso, although belonging to
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
, considered part of the
Southern United States The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, Dixieland, or simply the South) is List of regions of the United States, census regions defined by the United States Cens ...
, it is sometimes also considered part of the Western United States. Its enumerated population in April 2020 was 868,859. * The largest MSA in
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
is
Anchorage Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. The Anchorage metropolita ...
; it has an enumerated population of 398,328, as of April 2020. * In the outlying areas of the Western United States, the largest population centers are Tafuna in
American Samoa American Samoa is an Territories of the United States, unincorporated and unorganized territory of the United States located in the Polynesia region of the Pacific Ocean, South Pacific Ocean. Centered on , it is southeast of the island count ...
; Dededo, Guam, Dededo in
Guam Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...
; and Saipan in the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI), is an Territories of the United States, unincorporated territory and Commonwealth (U.S. insular area), commonwealth of the United States consistin ...
.


Politics

The region's distance from historical centers of power in the East, and the celebrated "frontier spirit" of its settlers offer two clichés for explaining the region's independent, heterogeneous politics. Historically, the West was the first region to see widespread Women's suffrage in the United States, women's suffrage, with women casting votes in
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
and
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
as early as 1870, five decades before the Nineteenth Amendment to the United States Constitution, 19th Amendment was ratified by the nation.
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
birthed both the Right to property, property rights and conservation movements, and spawned such phenomena as the California Proposition 13 (1978), Taxpayer Revolt and the Berkeley Free Speech Movement. It has also produced three presidents: Herbert Hoover, Richard Nixon, and Ronald Reagan. The prevalence of Libertarianism, libertarian political attitudes is widespread. For example, the majority of Western states have legalized medicinal marijuana (all but
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
and
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
) and some forms of gambling (except
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
);
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
, Washington, and
Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
have legalized Assisted suicide, physician-assisted suicide; most rural counties in
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
allow licensed brothels, and voters in
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
,
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
,
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
, and Washington have legalized recreational use of marijuana.
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
,
Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
, Washington,
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
,
Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
,
Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...
and
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
lean toward the Democratic Party (United States), Democratic Party. In recent times, as seen in the 2020 United States presidential election and 2022 Arizona gubernatorial election,
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
is also beginning to lean towards the Democratic Party as well.
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
's two main political parties are the Green Party and the Democratic Party (United States), Democratic Party. One of the longest-serving Democratic congressional leaders is from the region: former Speaker of the United States House of Representatives Nancy Pelosi of
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
.
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
and most
Mountain states The Mountain states (also known as the Mountain West or the Interior West) form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western Un ...
are more Republican Party (United States), Republican, with
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
,
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
,
Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, and
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
being Republican strongholds. The state of
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
has been won by the Republican presidential candidate in every election except three times since 1948, but in 2020 Arizona voted Democratic. Also, in 2018 and 2020, the GOP lost both U.S. Senate seats in Arizona to the Democrats. The states of
Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, and
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
have been won by every Republican presidential nominee since 1964. The state of
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
is considered a political bellwether, having correctly voted for every president except twice (in 1976 and 2016) since 1912.
New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
too is considered a bellwether, having voted for the popular vote winner in every presidential election since statehood, except in 1976. As the fastest-growing demographic group, after Asian people, Asians, Hispanic and Latino Americans, Latinos are hotly contested by both parties. Immigration is an important political issue for this group. Backlash against undocumented immigrants led to the passage of California Proposition 187 in 1994, a ballot initiative which would have denied many public services to them. Association of this proposal with California Republicans, especially incumbent governor Pete Wilson, drove many Hispanic voters to the Democrats. The following table shows the breakdown of party affiliation of governors, attorneys general, state legislative houses, and U.S. congressional delegation for the Western states, . The following table shows the breakdown of party affiliation of governors, attorneys general, state legislative houses, and U.S. congressional delegation for the outlying areas of the Western United States, .


Health

The Western United States consistently ranks well in health measures. The rate of potentially preventable hospitalizations in the Western United States was consistently lower than other regions from 2005 to 2011. While the proportion of maternal or neonatal hospital stays was higher in the Western United States relative to other regions, the proportion of medical stays in hospitals was lower than in other regions in 2012.


See also

* List of online encyclopedias of U.S. states * American frontier * Autry Museum of the American West * Environmental history of the United States * High Country News * History of the Jews in the American West * History of the west coast of North America * Intermountain West * Professional sports in the Western United States * Railroad land grants in the United States * Sunset (magazine), Sunset magazine * Territories of the United States on stamps * Western Canada * West Coast of the United States * Wildfires in the United States#Western U.S. wildfire trends, Western U.S. wildfire trends


References


Notes


Further reading


Surveys

* Deutsch, Sarah. ''Making a Modern U.S. West: The Contested Terrain of a Region and Its Borders 1898–1940.'' Lincoln: University of Nebraska Press, 2022. * Doig, Ivan. ''This House of Sky: Landscapes of a Western Mind.'' New York. 1978. * Findlay, John M. ''The Mobilized American West, 1940–2000.'' Lincoln, NE: University of Nebraska Press, 2023. Comprehensive histor
online review of this book
* Malone, Michael P., and Richard W. Etulain. ''The American West: A Twentieth-Century History.'' Lincoln: University of Nebraska Press, 1989. * Milner II, Clyde A; O'Connor, Carol A.; Sandweiss, Martha A. ''The Oxford History of the American West.'' Oxford University Press, 1994. * Morgan, Neil Bowen. ''Westward Tilt: The American West Today.'' New York: Random House, 1963. * Pomeroy, Earl. ''The American Far West in the Twentieth Century.'' New Haven, CT: Yale University Press, 2009. * Schwantes, Carlos Arnaldo. ''Going Places: Transportation Redefines the Twentieth-Century West.'' Bloomington: Indiana University Press, 2003. * Stegner, Wallace. ''The Sound of Mountain Water: The Changing American West.'' Garden City, NY: Doubleday, 1969. * White, Richard. ''A New History of the American West: 'It's Your Misfortune and None of My Own. Norman: University of Oklahoma Press, 1991. * Whitehead, John. ''Completing the Union: Alaska, Hawai'i, and the Battle for Statehood.'' Albuquerque: University of New Mexico Press, 2004 * Wiley, Peter, and Robert Gottlieb. ''Empires in the Sun: The Rise of the New American West.'' New York. 1982. *


Economy

* Graham, Don. ''Kings of Texas: The 150-Year Saga of an American Ranching Empire.'' Hoboken, NJ: John Wiley and Sons, 2003. * Nash, Gerald D. ''A.P. Giannini and the Bank of America.'' Norman: University of Oklahoma Press, 1992. * Nash, Gerald D. ''The Federal Landscape: An Economic History of the Twentieth-Century West.'' Tucson: University of Arizona Press. 1999. * O'Mara, Margaret. ''The Code: Silicon Valley and the Remaking of America.'' New York: Penguin Press, 2019. * Robbins, William G. ''Colony and Empire: The Capitalist Transformation of the American West.'' Lawrence: University Press of Kansas, 1994.


Environment

* Abbey, Edward. ''Desert Solitaire : A Season in the Wilderness.'' New York: McGraw-Hill, 1968. * Castaneda, Christopher J., and Lee M. A. Simpson, eds. ''River City and Valley Life: An Environmental History of the Sacramento region.'' Pittsburgh, PA: University of Pittsburgh Press, 2013. In California
online
* Cawley, R. McGreggor. ''Federal Land, Western Anger: The Sagebrush Rebellion and Environmental Politics.'' Lawrence: University Press of Kansas, 1993. On conservatives. * Cunfer, Geoff, and Bill Waiser, eds. ''Bison and People on the North American Great Plains: A Deep Environmental History.'' College Station, TX: Texas A&M University Press, 2016
online
* Dant, Sara. ''Losing Eden: An Environmental History of the American West.'' Lincoln, NE: University of Nebraska Press, 2023
online
also se
online book review
* DeBuys, William. ''Enchantment and Exploitation: The Life and Hard Times of a New Mexico Mountain Range.'' Albuquerque: University of New Mexico Press, 1985. * DeVoto, Bernard. "The West: A Plundered Province." ''Harper's Magazine'' 169 (1934): 355–364. * Dobie, J. Frank. ''The Longhorns.'' Boston: Little, Brown, 1941. * Dobie, J. Frank. ''The Mustangs.'' Boston: Little, Brown, 1952. * Dobie. J. Frank. ''The Voice of the Coyote.'' Boston: Little, Brown, 1949. * Flores, Dan. ''The Natural West: Environmental History in the Great Plains and Rocky Mountains.'' Norman, OK: University of Oklahoma Press, 2003
online
* Fradkin, Philip. ''A River No More: The Colorado River and the West,'' 2nd ed. Berkeley: University of California Press, 1996. * Frehner, Brian, and Kathleen A. Brosnan, eds. ''The Greater Plains: Rethinking a Region's Environmental Histories.'' Lincoln, NE: University of Nebraska Press, 2021
online
* Harvey, Mark W. T. "Echo Park, Glen Canyon, and the Postwar Wilderness Movement." ''Pacific Historical Review'' (1991): 43–67
online
Colorado River region * Hollon, W. Eugene. ''The Great American Desert, Then and Now.'' Lincoln: University of Nebraska Press, 1975. * Huggard, Christopher, and Arthur R. Gómez. ''Forests under Fire: A Century of Ecosystem Mismanagement in the Southwest.'' Tucson: University of Arizona Press, 2001. * Hundley Jr., Norris. ''Water and the West: The Colorado River Compact and the Politics of Water in the American West.'' 2nd ed. University of California Press, 2009. * Krutch, Joseph Wood. ''The Voice of the Desert: A Naturalist's Interpretation.'' New York: William Sloane Associates, 1954. * Lamm, Richard D., and Michael McCarthy. ''The Angry West: A Vulnerable Land and Its Future.'' Boston, MA: Houghton Mifflin Harcourt, 1982. * Logan, Michael F. ''Desert Cities: The Environmental History of Phoenix and Tucson.'' Pittsburgh, PA; University of Pittsburgh Press, 2006. * Needham, Andrew. ''Power Lines: Phoenix and the Making of the Modern Southwest.'' Princeton, NJ: University of Princeton Press, 2014. * Pisani, Donald J. ''Water, Land, and Law in the West: The Limits of Public Policy, 1850-1920.'' Lawrence: University Press of Kansas, 1996. * Pyne, Stephen J. ''Fire: A Brief History.'' Seattle: University of Washington Press, 2001. * Pyne, Stephen J. ''Fire on the Rim: A Firefighter's Season at the Grand Canyon.'' New York: Grove Press, 1989. * Reisner, Marc. ''Cadillac Desert: The American West and its Disappearing Water.'' Penguin, 1993. Says the villain was the federal Bureau of Reclamation se

also se
online copy
* Rowley, William D. ''Reclaiming the Arid West: The Career of Francis G. Newlands.'' Bloomington: Indiana University Press, 1996. * Rundell Jr., Walter. ''Oil in West Texas and New Mexico: A Pictorial History of the Permian Basin.'' College Station: Texas A & M University Press, 1982. * Stegner, Wallace. ''The American West As Living Space.'' Ann Arbor: University of Michigan Press, 1987. * Sturgeon, Stephen Craig. ''The Politics of Western Water: The Congressional Career of Wayne Aspinall.'' Tucson, AZ: University of Arizona Press, 2002. * Vogel, David. ''California Greenin': How the Golden State became an Environmental Leader'' Princeton, NJ: Princeton University Press, 2019). * White, Richard. ''The Organic Machine: The Remaking of the Columbia River.'' New York: Hill and Wang, 1995. * Wild, Peter. ''Pioneer Conservationists of Western America'' (1979
online
* Worster, Donald. ''Under Western Skies: Nature and History in the American West'' Oxford University Press, 1992
online
* Worster, Donald. ''Dust Bowl: The Southern Plains in the 1930s.'' New York: Oxford University Press, 1979. * Worster, Donald. ''Rivers of Empire: Water, Aridity, and the Growth of the American West.'' New York: Pantheon Books, 1987.


Historiography

* Billington, Ray Allen. ''America's Frontier Heritage.'' Albuquerque, University of New Mexico Press, 1984. * Etulain, Richard W., "Clio's Disciples on the Rio Grande: Western History at the University of New Mexico", ''New Mexico Historical Review'' 87 (Summer 2012): 277–298. * Etulain, Richard W. ''Telling Western Stories: From Buffalo Bill to Larry McMurtry.'' Albuquerque: University of New Mexico Press, 1999. * Etulain, Richard W. ''The American West and Its Interpreters.'' Albuquerque: University of New Mexico Press, 2023. * Etulain, Richard W. ''Writing Western History: Essays On Major Western Historians'' Reno, NV: University of Nevada Press, 2002. * Faragher, John Mack, ed. ''Rereading Frederick Jackson Turner: The Significance of the Frontier in American History and Other Essays.'' New York: Holt, 1994. * Frantz, Joe B. ''Aspects of the American West: Three Essays.'' College Station: Texas A&M University Press, 1976. * Gressley, Gene. "Whither Western American History? Speculations on a Direction," ''Pacific Historical Review'' 53, no. 4 (1984): 483–501. * Malone, Michael P. "Beyond the Last Frontier: Toward a New Approach to Western American History." ''The Western Historical Quarterly'' 20, no. 4 (1989): 409–27. * Malone, Michael P., ed. ''Historians and the American West.'' Lincoln: University of Nebraska Press, 1983. * Nash, Gerald D. ''Creating the West: Historical Interpretations, 1890–1990.'' Albuquerque: University of New Mexico Press, 1991. * Nash, Gerald D., and Richard W. Etulain. ''The Twentieth-Century West: Historical Interpretations.'' Albuquerque: University of New Mexico Press, 1989. * Norris Jr., Hundley, and John A. Schutz, ed. ''The American West: Frontier and Region--Interpretations by John Walton Caughey.'' Los Angeles, CA: Ward Ritchie Press, 1969. * Pomeroy, Earl. "Toward a Reorientation of Western History: Continuity and Environment." ''The Mississippi Valley Historical Review'' 41, no. 4 (1955): 579–600. * Prince, Gregory A. ''Leonard Arrington and the Writing of Mormon History.'' Salt Lake City: University of Utah Press, 2016. * Rensink, Brenden W., ed. ''The North American West in the Twenty-First Century.'' Lincoln: University of Nebraska Press, 2022. * Ridge, Martin. "The Life of an Idea: The Significance of Frederick Jackson Turner’s Frontier Thesis." ''Montana: The Magazine of Western History'' 41, no. 1 (1991): 2–13. * Sonnichsen, C. L. ''The Ambidextrous Historian: Historical Writers and Writing in the American West.'' Norman: University of Oklahoma Press, 1981. * Stegner, Wallace and Richard W. Etulain. ''Stegner: Conversations on History and Literature.'' Salt Lake City: University of Utah Press, 1983.


Labor

* Andrews, Thomas G. ''Killing for Coal: America’s Deadliest Labor War.'' Cambridge, MA: Harvard University Press, 2008. * Brykit, James W. ''Forging the Copper Collar: Arizona's Labor-Management War of 1901-1921.'' Tucson, University of Arizona Press, 1982. * Lukas, J. Anthony. ''Big Trouble: A Murder in a Small Western Town Sets Off a Struggle for the Soul of America.'' New York: Simon and Schuster, 1997. * Schwantes, Carlos Arnaldo. ''Radical Heritage: Labor, Socialism, and Reform in Washington and British Columbia, 1885-1917.'' Seattle: University of Washington Press, 1979.


Military history

* Amundson, Michael A. ''Yellowcake Towns : Uranium Mining Communities in the American West.'' Boulder: University Press of Colorado, 2002. * Bolton, Roger E. ''Defense Purchases and Regional Growth.'' Washington, D.C. 1966. * Brilliant, Mark and David M. Kennedy, eds. ''World War II and the West It Wrought.'' Redwood City, CA: Stanford University Press. 2020
excerpt
* Clayton, James L. "Impact of the Cold War on the Economies of California and Utah." ''Pacific Historical Review,'' 36 (1967): 449–473. * Fernlund, Kevin J., ed. ''The Cold War American West, 1945–1989.'' Albuquerque: University of New Mexico Press, 1998. * Findlay, John M. and Hevley, Bruce W. ''Atomic Frontier Days : Hanford and the American West.'' Center for the Study of the Pacific Northwest in Association with Seattle: University of Washington Press, 2011. * Heefner, Gretchen. ''The Missile Next Door: The Minuteman in the American Heartland.'' Cambridge, MA: Harvard University Press, 2012. * Hevly, Bruce W. and John M. Findlay, ed. ''The Atomic West.'' Seattle: University of Washington Press, 1998. * Hull, McAllister, with Amy Bianco. ''Rider of the Pale Horse: A Memoir of Los Alamos and Beyond.'' Albuquerque: University of New Mexico Press, 2005. * Hunner, Jon. ''J. Robert Oppenheimer, the Cold War, and the Atomic West.'' Norman: University of Oklahoma Press, 2009. * Larson, T.A. ''Wyoming's War Years, 1941–1945.'' Laramie: University of Wyoming, 1954. * Lotchin, Roger. ''Japanese American Relocation in World War II: A Reconsideration.'' Cambridge, UK: Cambridge University Press, 2018. * Lotchin, Roger W. "The Metropolitan-Military Complex in Comparative Perspective: San Francisco, Los Angeles, and San Diego, 1919–1941." ''Journal of the West,'' 20 (July 1979): 19–30. * Martini, Edwin A. ''Proving Grounds: Militarized Landscapes, Weapons Testing, and the Environmental Impact of U.S. Bases.'' Seattle: University of Washington Press, 2015. * Nash, Gerald D. ''The American West Transformed: The Impact of the Second World War.'' Bloomington: Indiana University Press, 1985. * Nash, Gerald D. ''World War II and the West: Reshaping the Economy.'' Lincoln: University of Nebraska Press. 1990. * Rosier, Paul C. "'They Are Ancestral Homelands': Race, Place, and Politics in Cold War Native America, 1945-1961." ''The Journal of American History'' 92, no. 4 (2006): 1300–26. * Szasz, Ferenc Morton. ''The Day the Sun Rose Twice: The Story of the Trinity Site Nuclear Explosion, July 16, 1945.'' Albuquerque: University of New Mexico Press, 1984.


Mythic West

* Athearn, Robert G.''The Mythic West in Twentieth-Century America.'' Lawrence: University Press of Kansas, 1986. * Etulain, Richard W. ''Re-Imagining the Modern American West: A Century of Fiction, History, and Art.'' Tucson: University of Arizona Press. 1996. * Gibson, Arrell M. ''The Santa Fe and Taos Colonies: Age of the Muses, 1900–1942.'' Norman: University of New Mexico Press, 1988. * Lehan, Richard. ''Quest West: American Intellectual and Cultural Transformations.'' Baton Rouge: Louisiana State University Press, 2014. * Savage Jr., William W. ''The Cowboy Hero: His Image in American History and Culture.'' Norman: University of Oklahoma Press, 1979.


Native Americans

* Brown, Dee. ''Bury My Heart at Wounded Knee: An Indian History of the American West.'' New York: Holt, Rinehart and Winston, 1970. * Debo, Angie. ''And Still the Waters Run: The Betrayal of the Five Civilized Tribes.'' Princeton, NJ: University of Princeton Press, 1968. * Deloria Jr. Vine, and Clifford M. Lytle. ''American Indians, American Justice.'' Austin: University of Texas Press, 1983. * Fixico, Donald L. ''Termination and Relocation: Federal Indian Policy, 1945–1960.'' Albuquerque: University of New Mexico Press, 1986. * Iverson, Peter. ''When Indians Became Cowboys: Native Peoples and Cattle Ranching in the American West.'' Norman: University of Oklahoma Press, 1994. * Parman, Donald Lee. ''Indians and the American West in the Twentieth Century.'' Bloomington: Indiana University Press, 1994.


Politics

* Danbom, David B. ''Bridging the Distance: Common Issues of the Rural West.'' Salt Lake City: University of Utah Press, 2015. * * Fernlund, Kevin J. ''Lyndon B. Johnson and Modern America.'' Norman: University of Oklahoma Press, 2009. * Iverson, Peter. ''Barry Goldwater: Native Arizonan.'' Norman: University of Oklahoma Press, 1997. * Lowitt, Richard. ''The New Deal and the West.'' Bloomington: Indiana University Press, 198
online
* Rothman, Hal K. ''LBJ's Texas White House: 'Our Heart's Home. College Station: Texas A&M University Press, 2001. * Smith, Thomas G. ''Stewart L. Udall: Steward of the Land.'' Albuquerque: University of New Mexico Press, 2017. * Stratton, David H. ''Tempest Over Teapot Dome: The Story of Albert B. Fall.'' Norman: University of Oklahoma Press, 1998. * Young, Nancy Beck. ''Two Suns of the Southwest: Lyndon Johnson, Barry Goldwater, and the 1964 Battle between Liberalism and Conservatism.'' Lawrence: University Press of Kansas, 2019.


Reference

* * Lamar, Howard. ''The New Encyclopedia of the American West.'' New Haven, CT: Yale University Press, 1998. * Newark, Peter. ''The Illustrated Encyclopedia of the Old West.'' Reprint, New York: Gallery Books, 1985. * * Witschi, Nicolas S., ed. ''A Companion to the Literature and Culture of the American West.'' Hoboken, NJ: Wiley, 2011.


Religion

* Avella, Steven M. "Catholicism in the Twentieth-Century American West: The Next Frontier." ''The Catholic Historical Review'' 97, no. 2 (2011): 219–49. * Stegner, Wallace. ''Mormon Country.'' New York: Duell, Sloan & Pearce, 1942.


Tourism

* Barber, Alicia. ''Reno’s Big Gamble: Image and Reputation in the Biggest Little City.'' Lawrence: University Press of Kansas. 2008. * Cottam, Erica. ''Hubbell Trading Post: Trade, Tourism, and the Navajo Southwest.'' Norman: University of Oklahoma Press, 2015. * McCormack, Kara L. ''Imagining Tombstone: The Town Too Tough to Die.'' Lawrence, University Press of Kansas, 2016. * Pomeroy, Earl. ''In Search of the Golden West: The Tourist in Western America.'' New York: Knopf, 1957. * Rothman, Hal K. ''Devil's Bargains: Tourism and the Twentieth-Century American West.'' Lawrence: University of Kansas Press, 1998. * Rugh, Susan Sessions. "Branding Utah: Industrial Tourism in the Postwar American West." ''Western Historical Quarterly'' 37, no. 4 (2006): 445–472. * Stratton, David H. ''Tucumcari Tonite!: A Story of Railroads, Route 66, and the Waning of a Western Town.'' Albuquerque: University of New Mexico Press, 2022. * Wrobel, David. ''Promised Lands: Promotion, Memory, and the Creation of the American West.'' Lawrence: University Press of Kansas, 2002.


Urban West

* * Cline, Platt. ''Mountain Town: Flagstaff's First Century.'' Flagstaff, AZ: Northland Publishing, 1994. * Davis, Mike. ''City of Quartz: Excavating the Future of Los Angeles.'' New York: Verso, 1990. * Findlay, John M. ''Magic Lands: Western Cityscapes and American Culture After 1940.'' Berkeley: University of California Press, 1992. * Gómez, Arthur R. ''Quest for the Golden Circle: The Four Corners and the Metropolitan West, 1945-1970.'' Albuquerque: University of New Mexico, 1994. * Leonard, Stephen J., and Thomas J. Noel. ''Denver: Mining Camp to Metropolis.'' Boulder: University Press of Colorado, 1990. * Luckingham, Bradford. ''The Urban Southwest: A Profile History of Albuquerque, El Paso, Phoenix, and Tucson.'' El Paso: Texas Western Press, 1982. * Nash, Gerald D. ''The American West in the Twentieth Century – A Short History of an Urban Oasis.'' Hoboken, NJ: Prentice Hall, 1973. * Rothman, Hal. ''Neon Metropolis: How Las Vegas Started the Twenty-First Century.'' Oxfordshire, UK: Routledge, 2003. * Sonnichsen, C.L. ''Tucson: The Life and Times of an American City.'' Norman: University of Oklahoma Press, 1982. * Stratten, David H., ed. ''Spokane and the Inland Empire: An Interior Pacific Northwest Anthology.'' Rev. ed. Pullman: Washington State University Press, 2007. * Wilson, Chris. ''The Myth of Santa Fe: Creating a Modern Regional Tradition.'' Albuquerque: University of New Mexico Press, 1997.


External links



Photo collection at ''Library of Congress''

''US National Archives & Records Administration''
Institute for the Study of the American West

Center of the American West

History: American West
Vlib.us
Collection: "Manifest Destiny and the American West"
from the University of Michigan Museum of Art {{Coord, 40, -113, region:US_dim:1000km, display=title Western United States, Lists of cities in the United States Census regions of the United States Regions of the United States