Boise metropolitan area

Boise Metropolitan Area
Metropolitan Statistical Area
Boise, Idaho Metropolitan Statistical Area
Idaho State Capitol
Map of Boise–Mountain Home–Ontario, ID–OR CSA   City of Boise   Boise, ID MSA   Ontario, OR–ID µSA   Mountain Home, ID µSA
Coordinates: 43°30′N 116°30′W / 43.5°N 116.5°W / 43.5; -116.5
Country	United States
State	Idaho Oregon
Largest city	Boise
Other cities	- Meridian - Nampa - Caldwell - Eagle - Kuna - Mountain Home - Ontario, OR - Payette
Area
• Total	11,833.06 sq mi (30,647.5 km2)
Highest elevation	10,751 ft (3,277 m)
Lowest elevation	2,000 ft (610 m)
Population  (2020)
• Total	764,718
• Rank	75th in the U.S.
• Density	52.1/sq mi (20.118/km2)
Time zone	UTC-7 (MST)
• Summer (DST)	UTC-6 (MDT)

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.^[2] 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,^[3] while the larger Boise City–Mountain Home–Ontario, ID–OR Combined Statistical Area (CSA) had a population of 850,341.^[4] The metro area is currently the third largest in the U.S. section of the Pacific Northwest after Seattle and Portland, and is the 75th-largest metropolitan area in the United States.