Southwestern Idaho
Southwestern Idaho | |
|---|---|
Region | |
A historic building in Silver City, a ghost town located in Southwestern Idaho. | |
Map of counties included in Southwestern Idaho (highlighted in red). | |
| Country | United States |
| State | Idaho |
| Largest city | Boise (pop.: 235,684) |
| Area | |
• Total | 21,728.5 sq mi (56,277 km2) |
| Population (2020) | |
• Total | 845,395 |
| • Density | 38.9/sq mi (15.0/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Area code(s) | 208, 986 |
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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, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington are included in the region.