Adams County Flag

Adams County

State:
Idaho
County Seat:
Council

Adams County's estimated 2026 population is 5,198 with a growth rate of 1.96% in the past year according to the most recent United States census data. Adams County is the 38th largest county in Idaho. The 2010 population was 3,962 and has seen a growth of 31.2% since that time.

5,198
Total Population
4
Population Density (mi²)
38
Population Rank (State)
100 1.96%
Annual Population Growth

Adams County Population

Demographics

Economics and Income Statistics