Adams County Flag

Adams County

State:
Indiana
County Seat:
Decatur

Adams County's estimated 2026 population is 36,758 with a growth rate of 0.29% 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 6.72% since that time.

36,758
Total Population
108
Population Density (mi²)
43
Population Rank (State)
108 0.29%
Annual Population Growth

Adams County Population

Demographics

Economics and Income Statistics