Adams County Flag

Adams County

State:
Indiana
County Seat:
Decatur

Adams County's estimated 2026 population is 36,814 with a growth rate of 0.31% in the past year according to the most recent United States census data. Adams County is the 43rd largest county in Indiana. The 2010 population was 34,442 and has seen a growth of 6.89% since that time.

36,814
Total Population
109
Population Density (mi²)
43
Population Rank (State)
115 0.31%
Annual Population Growth

Adams County Population

Demographics

Economics and Income Statistics