
Kelly township
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 35.138
- State:
- Illinois
Kelly township is located in Warren County, Illinois. Kelly township has a 2025 population of 349. Kelly township is currently declining at a rate of -0.85% annually and its population has decreased by -5.68% since the most recent census, which recorded a population of 370 in 2020.
The average household income in Kelly township is $104,264 with a poverty rate of 6.49%. The median age in Kelly township is 40.3 years: 27.8 years for males, and 43.2 years for females.