Southwestern Idaho

Southwestern Idaho
Region
A historic building in Silver City, a ghost town located in Southwestern Idaho.
A historic building in Silver City, a ghost town located in Southwestern Idaho.
Map of counties included in Southwestern Idaho (highlighted in red).
Map of counties included in Southwestern Idaho (highlighted in red).
Country United States
State Idaho
Largest cityBoise
(pop.: 235,684)
Area
 • Total21,728.5 sq mi (56,277 km2)
Population
 (2020)
 • Total845,395
 • Density38.9/sq mi (15.0/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Area code(s)208, 986

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.[1][2]

The counties of Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington are included in the region.

  1. ^ "Discover Southwest Idaho | Boise Idaho Information & More". Visit Idaho. Retrieved 2021-02-03.
  2. ^ Brent Thomas, Idaho Fish and Game. "Southwest Region | Idaho Hunt Planner". idfg.idaho.gov. Retrieved 2021-02-03.