Power County Flag

Power County

State:
Idaho
County Seat:
American Falls

Power County's 2026 population is estimated at 8,159, reflecting a -1.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Power County is the 34th largest county in Idaho. The 2010 population was 7,873 and has grown 3.63% since 2010.

8,159
Total Population
5.8
Population Density (mi²)
34
Population Rank (State)
-87 -1.06%
Annual Population Growth

Power County Population

Demographics

Economics and Income Statistics