The Boise, Idaho Metropolitan Statistical Area (MSA) (commonly known as the Boise Metropolitan Area or the

Treasure Valley The Treasure Valley is a valley in the western United States, primarily in southwestern Idaho, where the Payette, Boise, Weiser, Malheur, and Owyhee rivers drain into the Snake River. It includes all the lowland areas from Vale in rural east ...

) is an area that encompasses Ada,

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 ...

Canyon A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency t ...

, Gem, and Owyhee counties in

southwestern Idaho Southwestern Idaho is a geographical term for the area along the U.S. state of Idaho's borders with Oregon and Nevada. It includes the populous areas of the Boise metropolitan area and the Treasure Valley. The counties of Ada, Adams, Boise, ...

, anchored by the cities of

and Nampa. It is the main component of the wider Boise–Mountain Home–Ontario, ID–OR Combined Statistical Area, which adds Elmore and Payette counties in Idaho and

Malheur County, Oregon Malheur County (, ) is one of the List of counties in Oregon, 36 counties in the U.S. state of Oregon. As of the 2020 United States census, 2020 census, the population was 31,571. Its county seat is Vale, Oregon, Vale, and its largest city ...

. It is the state's largest officially designated

metropolitan area A metropolitan area or metro is a region consisting of a densely populated urban area, urban agglomeration and its surrounding territories which share Industry (economics), industries, commercial areas, Transport infrastructure, transport network ...

and includes Idaho's three largest cities: Boise, Nampa, and Meridian. Nearly 40 percent of Idaho's total population lives in the area. Boise City Horizon

As of the 2021 estimate, the Boise–Nampa, Idaho Metropolitan Statistical Area (MSA) had a population of 795,268, while the larger Boise City–Mountain Home–Ontario, ID–OR Combined Statistical Area (CSA) had a population of 850,341. The metro area is currently the third largest in the U.S. section 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 ...

after

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 ...

and Portland, and is the 74th-largest metropolitan area in the United States. Downtown Boise 2013

Counties

Demographics

As of the 2010 census, there were 616,561 people, 170,291 households, and 120,118 families residing within the MSA. The racial makeup of the MSA was 89.80%

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 ...

, 0.52%

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.80% Native American, 1.38% Asian, 0.14%

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 ...

, 5.02% from other races, and 2.35% from two or more races.

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 ...

or Latino of any race were 8.96% of the population. The median income for a household in the MSA was $36,695, and the median income for a family was $42,196. Males had a median income of $31,854 versus $23,244 for females. The

per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...

for the MSA was $17,041.

Communities

Over 200,000 inhabitants

(principal city)

50,001 to 200,000 inhabitants

* Caldwell * Meridian * Nampa

10,001 to 50,000 inhabitants

Eagle Eagle is the common name for the golden eagle, bald eagle, and other birds of prey in the family of the Accipitridae. Eagles belong to several groups of Genus, genera, some of which are closely related. True eagles comprise the genus ''Aquila ( ...

* Kuna * Middleton * Mountain Home * Garden City *

Star A star is a luminous spheroid of plasma (physics), plasma held together by Self-gravitation, self-gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night sk ...

Ontario, Oregon Ontario is the largest city in Malheur County, Oregon, Malheur County, Oregon, United States. It lies along the Snake River at the Idaho border. The population was 11,645 at the 2020 censusThe city is the largest community in the region of far ea ...

5,001 to 10,000 inhabitants

Emmett Emmett may refer to: Places ;In the United States * Emmett, Idaho * Emmett, Kansas * Emmett, Michigan, a village in St. Clair County * Emmett Charter Township, Michigan in Calhoun County * Emmett Township, St. Clair County, Michigan * Emmett, Misso ...

* Fruitland * Payette

1,001 to 5,000 inhabitants

* Hidden Springs * Homedale * Marsing *

New Plymouth New Plymouth () is the major city of the Taranaki region on the west coast of the North Island of New Zealand. It is named after the English city of Plymouth, in Devon, from where the first English settlers to New Plymouth migrated. The New Pl ...

* Nyssa, Oregon *

Parma Parma (; ) is a city in the northern Italian region of Emilia-Romagna known for its architecture, Giuseppe Verdi, music, art, prosciutto (ham), Parmesan, cheese and surrounding countryside. With a population of 198,986 inhabitants as of 2025, ...

* Wilder * Vale, Oregon

1,000 inhabitants or fewer

Adrian, Oregon Adrian is a city in Malheur County, Oregon, United States, near the confluence of the Snake River and the Owyhee River. The population was 177 at the 2010 census. It is part of the Ontario, OR– ID Micropolitan Statistical Area. Histor ...

* Crouch * Greenleaf * Horseshoe Bend * Idaho City *

Jordan Valley, Oregon Jordan Valley is a city in Malheur County, Oregon, United States. It is part of the Ontario, OR– ID Micropolitan Statistical Area. The city lies along Jordan Creek, a tributary of the Owyhee River; the creek is named for a 19th-century ...

* Melba *

Notus In Greek mythology and religion, Notus () is the god of the south wind and one of the Anemoi (wind-gods), sons of the dawn goddess Eos and the star-god Astraeus. A desiccating wind of heat, Notus was associated with the storms of late summer and ...

* Placerville

Unincorporated places

* Annex, Oregon * Arock, Oregon * Banks * Basque, Oregon * Beulah, Oregon * Bowmont * Bruneau * Burns Junction, Oregon * Cairo, Oregon * Crowley, Oregon * Danner, Oregon * Garden Valley * Hamilton Corner *

Harper, Oregon Harper is an unincorporated community and census-designated place (CDP) in Malheur County, Oregon, United States. Although it is unincorporated, it has a post office with a ZIP code 97906. Harper lies off U.S. Route 20 southwest of Vale. De ...

* Huston * Ironside, Oregon * Jamieson, Oregon * Jonesboro, Oregon * Juntura, Oregon * Letha * Lowman * McDermitt, Nevada-Oregon * Murphy * Ola * Owyhee, Oregon * Payette Junction, Oregon *

Riddle A riddle is a :wikt:statement, statement, question, or phrase having a double or veiled meaning, put forth as a puzzle to be solved. Riddles are of two types: ''enigmas'', which are problems generally expressed in metaphorical or Allegory, alleg ...

* Riverside, Oregon *

Rome, Oregon Rome, also called Rome Station after its sole business, is an unincorporated community in Malheur County, Oregon, United States. The community is part of the Ontario, OR– ID Micropolitan Statistical Area. In the sparsely populated high de ...

* Roswell * Sunnyslope *

Sweet Sweetness is a basic taste most commonly perceived when eating foods rich in sugars. Sweet tastes are generally regarded as pleasurable. In addition to sugars like sucrose, many other chemical compounds are sweet, including aldehydes, ketones, ...

Transportation

Airports

* Boise Airport * Nampa Municipal Airport * Caldwell Executive Airport * Mountain Home Municipal Airport

Interstates

Interstate 84 * I-184

Interstate 184 Interstate 184 (I-184) is a short auxiliary Interstate Highway in Boise, Idaho, United States. The only auxiliary Interstate in Idaho, it is a spur route of I-84 that connects the freeway to Downtown Boise, terminating at US Highway&n ...

U.S. highways

U.S. Route 20 * US 26

U.S. Route 26 * US 30

U.S. Route 30 * US 95

U.S. Route 95

State highways

State Highway 16 * ID-19

State Highway 19 * ID-21

State Highway 21 * ID-44

State Highway 44 * ID-45

State Highway 45 * ID-51

State Highway 51 * ID-52

State Highway 52 * ID-55

State Highway 55 * ID-67

State Highway 67 * ID-69

State Highway 69 * ID-72

State Highway 72 * ID-78

State Highway 78 * ID-167

State Highway 167 * OR 52

Oregon Route 52 * OR 78

Oregon Route 78 * OR 201

Oregon Route 201 * OR 451

Oregon Route 451 * OR 452

Oregon Route 452 * OR 453

Oregon Route 453 * OR 454

Oregon Route 454

Mass transit

ValleyRide

Colleges and universities

Major universities

Boise State University Boise State University (BSU) is a Public university, public research university in Boise, Idaho, United States. Founded in 1932 by the Episcopal Church (United States), Episcopal Church, it became an independent junior college in 1934 and has b ...

(BSU),

Boise, Idaho Boise ( ) is the List of capitals in the United States, capital and List of cities in Idaho, most populous city of the U.S. state of Idaho. As of the 2020 United States census, 2020 census, there were 235,685 people residing in the city. Loca ...

Four-year colleges and universities

Northwest Nazarene University Northwest Nazarene University (NNU) is a private Nazarene university in Nampa, Idaho. History Eugene Emerson organized a combination grade school and Bible school in 1913 as Idaho Holiness School. It was renamed twice in 1916, first to Nor ...

(NNU),

Nampa, Idaho Nampa () is the most populous city in Canyon County, Idaho, United States. The population was 100,200 at the 2020 United States census, 2020 census. It is Idaho's List of cities in Idaho, third-most populous city. Nampa is about west of Boise, Id ...

* The College of Idaho (C of I), Caldwell, Idaho *

University of Idaho The University of Idaho (U of I, or UIdaho) is a public land-grant research university in Moscow, Idaho, United States. Established in 1889 and opened three years later, it was the state's sole university for 71 years, until 1963. The un ...

(U of I), Boise; Extension Campus *

Idaho State University Idaho State University (ISU) is a Public university, public research university in Pocatello, Idaho, United States. Founded in 1901 as the Academy of Idaho, Idaho State offers more than 250 programs at its main campus in Pocatello and locations ...

(ISU), Meridian, Idaho; Extension Campus

Community colleges and trade schools

College of Western Idaho College of Western Idaho (CWI) is a public community college in Southwest Idaho with its primary campus locations in Boise and Nampa. CWI also offers classes at several community locations throughout the Treasure Valley. It is one of four c ...

(CWI) Nampa; Main Campus, Aspen Classroom Bldg., Canyon County Extension Boise; Ada County Campus * Treasure Valley Community College, Caldwell, Idaho (TVCC)

; Main Campus Caldwell, Idaho; Caldwell Campus * Northwest Lineman College (NLC),

Kuna, Idaho Kuna ( ) is a city in Ada County, Idaho. It is part of the Boise metropolitan area. The population was 24,011 at the time of the United States Census, 2020, 2020 census. Kuna is one of the fastest-growing areas in Idaho, having nearly tripled ...

* Heavy Equipment Operator School of Idaho, Boise * Carrington College, Boise * Broadview University, Meridian, Idaho *

University of Phoenix University of Phoenix (UoPX) is a Private university, private For-profit higher education in the United States, for-profit university headquartered in Phoenix, Arizona. Founded in 1976, the university confers certificates and degrees at the Ac ...

Meridian; Main Campus * Boise Bible College, Boise

Major valley employers

Micron Technology Micron Technology, Inc. is an American producer of computer memory and computer data storage including dynamic random-access memory, flash memory, and solid-state drives (SSDs). It is headquartered in Boise, Idaho. Micron's consumer produc ...

Boise, Nampa * Saint Luke's Medical Centers Boise, Meridian, Eagle, Nampa * Saint Alphonsus Regional Medical Centers Boise, Nampa, Caldwell, Ontario * Simplot Boise, Caldwell *

Hewlett-Packard The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company. It was founded by Bill Hewlett and David Packard in 1939 in a one-car garage in Palo Alto, California ...

Garden City / Boise *

Blue Cross Blue Shield Association Blue Cross Blue Shield Association, also known as BCBS, BCBSA, or The Blues, is a United States–based federation with 33 independent and locally operated BCBSA companies that provide health insurance to more than 115 million people in the U ...

Meridian *

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 ...

Nampa *

T-Mobile US T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington. Its majority shareholder and namesake is the German telecommunications company Deutsche Telekom. T-Mobile is the second largest wireless carrie ...