Central Idaho

Central Idaho
Region
Alice Lake in the Sawtooth National Recreation Area in Blaine County.
Map of counties included in Central Idaho (highlighted in red).
Map of counties included in Central Idaho (highlighted in red).
Country United States
State Idaho
Largest cityHailey
(pop.: 8,689)
Area
 • Total15,434.3 sq mi (39,975 km2)
Population
 (2020)[b]
 • Total40,172
 • Density2.6/sq mi (1.0/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Area code(s)208, 986

Central Idaho is a geographical term for the region located northeast of Boise and southeast of Lewiston in the U.S. state of Idaho. It is dominated by federal lands administered by the United States Forest Service and the Bureau of Land Management. Idaho's tallest mountain, Borah Peak, is located in this region. A large part of the Sawtooth National Recreation Area is within Central Idaho.

The counties of Blaine, Butte, Camas, Custer, and Lemhi are included in the region. The southern Central Idaho region — particularly Blaine and Camas counties — is also known as the Wood River Valley after the Big Wood River. Blaine and Camas counties are also considered to be part of the Magic Valley region of Southern Idaho.


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  1. ^ "2020 Census Demographic Data Map Viewer". United States Census Bureau. Retrieved 3 January 2024.