
Waynesville township
- County:
- De Witt County
- County Seat:
- No
- Area (mi²):
- 24.386
- State:
- Illinois
Waynesville township is located in De Witt County, Illinois. Waynesville township has a 2025 population of 634. Waynesville township is currently declining at a rate of 0% annually and its population has decreased by -0.63% since the most recent census, which recorded a population of 638 in 2020.
The average household income in Waynesville township is $100,585 with a poverty rate of 14.51%. The median age in Waynesville township is 51 years: 50.4 years for males, and 52.7 years for females.