Power County Flag

Power County

State:
Idaho
County Seat:
American Falls

Power County's estimated 2026 population is 8,159 with a growth rate of -1.06% in the past year according to the most recent United States census data. Power County is the 34th largest county in Idaho. The 2010 population was 7,873 and has seen a growth of 3.63% since that time.

8,159
Total Population
6
Population Density (mi²)
34
Population Rank (State)
-87 -1.06%
Annual Population Growth

Power County Population

Demographics

Economics and Income Statistics