state of Idaho. It is the county seat of Ada County. The population of the city was 235,685 at the 2020 census. The Boise metropolitan area, located in the Treasure Valley, includes five counties of Idaho with an estimated population of 846,000, the most populous metropolitan area in Idaho and 95th-most populous in the United States.
How locals move
Getting around Boise the local way
- Go nextnortheast from Boise via State Highway 21, Idaho City makes for a good day trip from Boise.
From Wikivoyage: Boise, CC BY-SA. Not yet checked by us. Last edited 2026-09.
Text adapted from Wikipedia, CC BY-SA 4.0. Photograph: Wikimedia Commons (see Commons), Wikimedia Commons.