
Toulon
- County:
- Stark County
- County Seat:
- Yes
- Area (mi²):
- 1.017
- State:
- Illinois
Toulon is a city located in Stark County, Illinois. Toulon has a 2025 population of 1,130. It is also the county seat of Stark County. Toulon is currently declining at a rate of -0.96% annually and its population has decreased by -4.56% since the most recent census, which recorded a population of 1,184 in 2020.
The average household income in Toulon is $66,850 with a poverty rate of 16.11%. The median age in Toulon is 42.1 years: 42.3 years for males, and 41.5 years for females.