
Auburn township
- County:
- Sangamon County
- County Seat:
- No
- Area (mi²):
- 15.806
- State:
- Illinois
Auburn township is located in Sangamon County, Illinois. Auburn township has a 2025 population of 226. Auburn township is currently declining at a rate of -0.44% annually and its population has decreased by -3.83% since the most recent census, which recorded a population of 235 in 2020.
The average household income in Auburn township is $49,519 with a poverty rate of 32.2%. The median age in Auburn township is 58.7 years: 60.5 years for males, and 58.2 years for females.