
Waynesville
- County:
- De Witt County
- County Seat:
- No
- Area (mi²):
- 0.319
- State:
- Illinois
Waynesville is a village located in De Witt County, Illinois. Waynesville has a 2025 population of 378. Waynesville is currently declining at a rate of -0.26% annually and its population has decreased by -1.05% since the most recent census, which recorded a population of 382 in 2020.
The average household income in Waynesville is $77,869 with a poverty rate of 11.27%. The median age in Waynesville is 48.8 years: 45.9 years for males, and 55.5 years for females.