
Bartelso
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 0.657
- State:
- Illinois
Bartelso is a village located in Clinton County, Illinois. Bartelso has a 2025 population of 635. Bartelso is currently growing at a rate of 0.16% annually and its population has increased by 0.95% since the most recent census, which recorded a population of 629 in 2020.
The average household income in Bartelso is $111,695 with a poverty rate of 4.56%. The median age in Bartelso is 48.5 years: 48.1 years for males, and 49 years for females.