The Boise, Idaho Metropolitan Statistical Area (MSA) (commonly known as the Boise Metropolitan Area or the Treasure Valley) is an area that encompasses Ada, Boise, Canyon, Gem, and Owyhee counties in southwestern Idaho, anchored by the cities of Boise 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. It is the state's largest officially designated metropolitan area and includes Idaho's three largest cities: Boise, Nampa, and Meridian. Nearly 40 percent of Idaho's total population lives in the area.

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. American Fact Finder The metro area is currently the third largest in the U.S. section of the Pacific Northwest after Seattle and Portland, and is the 74th-largest metropolitan area in the United States.

Counties Ada Boise Canyon Elmore Gem Owyhee Payette Malheur (Oregon)

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, 0.52% African American, 0.80% Native American, 1.38% Asian, 0.14% Pacific Islander, 5.02% from other races, and 2.35% from two or more races. Hispanic 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 for the MSA was $17,041.

+ Population County 2025 2020 2010 2000 1990 1980 1970 1960 1950 1940 1930 1920 1910Ada 546,141 494,967 392,365 300,904 205,775 173,036 112,230 93,460 70,649 50,401 37,925 35,213 29,088Boise 8,545 7,610 7,028 6,670 3,509 2,999 1,763 1,646 1,776 2,333 1,847 1,822 5,250Canyon 275,123 231,105 188,923 131,441 90,076 83,756 61,288 57,662 53,597 40,987 30,930 26,932 25,323Gem 21,773 19,123 16,719 15,181 11,844 11,972 9,387 9,127 8,730 9,544 7,419 6,427–Owyhee 12,661 11,913 11,526 10,624 8,392 8,272 6,422 6,375 6,307 5,652 4,103 4,694 4,044Total 864,243 764,718 616,561 464,840 319,596 280,035 191,030 168,270 141,059 108,917 82,224 75,088 63,705

Communities

Over 200,000 inhabitants Boise (principal city)

50,001 to 200,000 inhabitants Caldwell Meridian Nampa

10,001 to 50,000 inhabitants Eagle Kuna Middleton Mountain Home Garden City Star Ontario, Oregon

5,001 to 10,000 inhabitants Emmett Fruitland Payette

1,001 to 5,000 inhabitants

Hidden Springs Homedale Marsing New Plymouth Nyssa, Oregon Parma Wilder Vale, Oregon

1,000 inhabitants or fewer

Adrian, Oregon Crouch Greenleaf Horseshoe Bend Idaho City Jordan Valley, Oregon Melba Notus 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 Huston Ironside, Oregon Jamieson, Oregon Jonesboro, Oregon Juntura, Oregon Letha Lowman McDermitt, Nevada-Oregon Murphy Ola Owyhee, Oregon Payette Junction, Oregon Riddle Riverside, Oregon Rome, Oregon Roswell Sunnyslope Sweet

Transportation

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

Interstates Interstate 84 Interstate 184

U.S. highways U.S. Route 20 U.S. Route 26 U.S. Route 30 U.S. Route 95

State highways State Highway 16 State Highway 19 State Highway 21 State Highway 44 State Highway 45 State Highway 51 State Highway 52 State Highway 55 State Highway 67 State Highway 69 State Highway 72 State Highway 78 State Highway 167 Oregon Route 52 Oregon Route 78 Oregon Route 201 Oregon Route 451 Oregon Route 452 Oregon Route 453 Oregon Route 454

Mass transit ValleyRide

Colleges and universities

Major universities Boise State University (BSU), Boise, Idaho

Four-year colleges and universities Northwest Nazarene University (NNU), Nampa, Idaho The College of Idaho (C of I), Caldwell, Idaho University of Idaho (U of I), Boise; Extension Campus Idaho State University (ISU), Meridian, Idaho; Extension Campus

Community colleges and trade schools College of Western Idaho, Nampa, Idaho (CWI) Nampa; Main Campus, Aspen Classroom Bldg., Canyon County Extension Boise; Ada County Campus Treasure Valley Community College, Caldwell, Idaho (TVCC) Ontario, Oregon; Main Campus Caldwell, Idaho; Caldwell Campus Northwest Lineman College (NLC), Kuna, Idaho Heavy Equipment Operator School of Idaho, Boise

Carrington College, Boise Broadview University, Meridian, Idaho University of Phoenix Meridian; Main Campus Boise Bible College, Boise

Major valley employers Micron Technology 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 Garden City / Boise Blue Cross Blue Shield Association Meridian Union Pacific Railroad Nampa T-Mobile US Meridian DirecTV Boise Teleperformance Boise

See also Idaho census statistical areas

References

External links

Demographic and Income Profile