
Decatur township
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 32.267
- State:
- Indiana
Decatur township is located in Adams County, Indiana. Decatur township has a 2025 population of 36,642. Decatur township is currently declining at a rate of -0.05% annually and its population has decreased by -0.79% since the most recent census, which recorded a population of 36,933 in 2020.
The average household income in Decatur township is $76,215 with a poverty rate of 16.54%. The median age in Decatur township is 32.6 years: 32 years for males, and 33.4 years for females.