The Trans-Pecos, as originally defined in 1887 by the Texas geologist Robert T. Hill, is the distinct portion 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 ...

that lies west of the

Pecos River The Pecos River ( ; ) originates in north-central New Mexico and flows into Texas, emptying into the Rio Grande. Its headwaters are on the eastern slope of the Sangre de Cristo mountain range in Mora County north of Pecos, New Mexico, at an elev ...

. The term is considered

synonym A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

ous with Far West Texas, a subdivision of

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 ...

. The Trans-Pecos is part of the Chihuahuan Desert, the largest desert in North America. It is the most mountainous and arid portion of the state, and most of its vast area (outside the city of

El Paso El Paso (; ; or ) is a city in and the county seat of El Paso County, Texas, United States. The 2020 United States census, 2020 population of the city from the United States Census Bureau, U.S. Census Bureau was 678,815, making it the List of ...

) is sparsely populated. Among the nine counties in the region are the five largest counties by area in Texas and eight of the eleven largest in the state. The area is known for the natural environment of the Big Bend and the gorge of 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 ...

, part of which has been designated a

National Wild and Scenic Rivers System The National Wild and Scenic Rivers System was created by the Wild and Scenic Rivers Act of 1968 (Public Law 90-542), enacted by the U.S. Congress to preserve certain rivers with outstanding natural, cultural, and recreational values in a free- ...

. With the notable exceptions of Big Bend Ranch State Park,

Big Bend National Park Big Bend National Park is a List of national parks of the United States, national park of the United States located in West Texas, bordering Mexico. The park has national significance as the largest protected area of Chihuahuan Desert topograph ...

and the

Guadalupe Mountains National Park Guadalupe Mountains National Park is a national park of the United States in the Guadalupe Mountains, east of El Paso, Texas. The mountain range includes Guadalupe Peak, the highest point in Texas at , and El Capitan used as a landmark by travel ...

, the vast majority of the Trans-Pecos region consists of privately owned

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 ...

land. However, most of the region's population reside in the

metropolitan area. Besides El Paso and its metropolitan area, the major cities are Pecos (12,916), Fort Stockton (8,466), and Alpine (6,035). All other settlements have under 5,000 people. Big Bend Rio Grande

Demographics

The Trans-Pecos region consists of nine counties: Brewster, Culberson,

, Hudspeth, Jeff Davis, Pecos,

Presidio A presidio (''jail, fortification'') was a fortified base established by the Spanish Empire mainly between the 16th and 18th centuries in areas under their control or influence. The term is derived from the Latin word ''praesidium'' meaning ''pr ...

Reeves Reeves may refer to: People * Reeves (surname) * B. Reeves Eason (1886–1956), American director, actor and screenwriter * Reeves Nelson (born 1991), American basketball player Places ;Ireland * Reeves, County Kildare, townland in County Kild ...

, and Terrell. Brewster County, the largest, has a land area of . The land area of Brewster County is about 10% larger than the state of

Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...

, yet it has a population density of only 1.4 persons per square mile compared to the 723 persons per square mile who reside in Connecticut. Terrell County, which borders both the

and the

, is the least-populated county in the Trans-Pecos region. According to the United States Census of 2000, Terrell County had a total population of 984 residents occupying a land area of , resulting in a population density less than 0.5 persons per square mile. The Trans-Pecos is a region of extremes, and at the opposite extreme from sparsely populated Terrell County is El Paso County, which is the smallest but most populated of the nine counties. El Paso County has a land area of only , yet it has a population of 800,647 individuals, resulting in a population density of 789 persons per square mile, a value that exceeds that of Connecticut. El Paso County makes up 93.5 percent of the region's total population. Overall, the total population of the Trans-Pecos amounts to 856,187 residents occupying an area of , resulting in a population density around 27 persons per square mile (10 persons per km²), less than a third of the population density of the state as a whole. If the Trans-Pecos were to become a state, it would rank 45th in population (more than Delaware, less than Montana), 40th in total area (larger than South Carolina, smaller than Maine), and 42nd in population density (higher than Nevada, lower than Kansas).

Politics

The region as a whole has voted for the Democratic Party's presidential candidate in every election since 1988, including Joe Biden, who received 65.7 percent of the vote in 2020. This is in large part because of El Paso County, which also has been solidly Democratic since

Ronald Reagan Ronald Wilson Reagan (February 6, 1911 – June 5, 2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. He was a member of the Republican Party (United States), Republican Party a ...

won the county in 1984. However, Presidio is the most consistently Democratic county in the Trans-Pecos, being like

South Texas South Texas is a geographic and cultural region of the U.S. state of Texas that lies roughly south of—and includes—San Antonio. The southern and western boundary is the Rio Grande, and to the east it is the Gulf of Mexico. The population of th ...

the longest-established Democratic stronghold in the nation.Sullivan, Robert David
‘How the Red and Blue Map Evolved Over the Past Century’
''America Magazine'' in ''The National Catholic Review''; June 29, 2016 Jeff Davis is the most Republican county in the region, last being won for the Democratic Party by

Jimmy Carter James Earl Carter Jr. (October 1, 1924December 29, 2024) was an American politician and humanitarian who served as the 39th president of the United States from 1977 to 1981. A member of the Democratic Party (United States), Democratic Party ...

in 1976, although even

George W. Bush George Walker Bush (born July 6, 1946) is an American politician and businessman who was the 43rd president of the United States from 2001 to 2009. A member of the Bush family and the Republican Party (United States), Republican Party, he i ...

’s 66.79 percent of the vote in 2000David Leip’s Atlas of U.S. Presidential Elections
Jeff Davis County
2000 stands modest compared to the 90 percent or more Republican vote common in Panhandle counties since the turn of the millennium. Hudspeth, Pecos and Terrell Counties, last won for the Democrats by

Bill Clinton William Jefferson Clinton (né Blythe III; born August 19, 1946) is an American politician and lawyer who was the 42nd president of the United States from 1993 to 2001. A member of the Democratic Party (United States), Democratic Party, ...

in 1996, have become comparably Republican to Jeff Davis in the past couple of elections. The remaining three counties, especially Brewster County, have been “swing” counties since the 1970s, although Hillary Clinton consolidated Democratic majorities in Culberson and Reeves counties in 2016. The city of El Paso and its environs form Texas's 16th congressional district, currently represented by Congressman Veronica Escobar ( D-

). The remainder of the region is located entirely within Texas's 23rd congressional district, currently represented by Congressman Tony Gonzales ( R-

San Antonio San Antonio ( ; Spanish for " Saint Anthony") is a city in the U.S. state of Texas and the most populous city in Greater San Antonio. San Antonio is the third-largest metropolitan area in Texas and the 24th-largest metropolitan area in the ...

). In the

Texas Senate The Texas Senate is the upper house of the Texas Legislature, with the Texas House of Representatives functioning as the lower house. Together, they form the State legislature (United States), state legislature of the state of Texas. The Senate ...

, El Paso County forms a single district, Senate District 29, represented by José R. Rodríguez ( D-

), while the remainder of the region is included in Senate District 19, represented by Pete Flores ( R- Pleasanton). In the

Texas House of Representatives The Texas House of Representatives is the lower house of the bicameral Texas Legislature. It consists of 150 members who are elected from single-member districts for two-year terms. There are no Term limits in the United States, term limits. The ...

, El Paso County is divided between House Districts 75–79, while the remainder of the region is included in House District 74.

Road transportation

Interstates 10 and 20 are the largest

freeway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway, and expressway. Other similar terms ...

s in the Trans-Pecos region. Major federal highways include US Highway 90 and US Highway 67, which are partially cosigned; Highway 90 continues from Alpine east to Del Rio, while Highway 67 runs south from Marfa to the

Mexico–United States border The international border separating Mexico and the United States extends from the Pacific Ocean in the west to the Gulf of Mexico in the east. The border traverses a variety of terrains, ranging from urban areas to deserts. It is the List of ...

/ Ojinaga, after which it continues as Mexican Federal Highway 16. State Highway 17 begins in Pecos and traverses

Balmorhea State Park Balmorhea State Park is a state park located on the San Solomon Springs in Reeves County, Texas, opened in 1968. The closest city is Balmorhea, Texas. Texas Parks and Wildlife Department manages the park. The park is open year-round, and visi ...

before joining Route 67 in Marfa, while State Highway 118 begins shortly after the junction of Interstates 10 and 20 near

Kent Kent is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Essex across the Thames Estuary to the north, the Strait of Dover to the south-east, East Sussex to the south-west, Surrey to the west, and Gr ...

and continues south to Study Butte at the entrance of

Wine regions

The Trans-Pecos region contains three

American Viticultural Area An American Viticultural Area (AVA) is a designated wine grape-growing region in the United States, providing an official appellation for the mutual benefit of winery, wineries and consumers. Winemakers frequently want their consumers to know abo ...

s: the Escondido Valley AVA, the Texas Davis Mountains AVA, and a portion of the Mesilla Valley AVA, most of which is in

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 ...

References

External links