
Glen Carbon
- County:
- Madison County
- County Seat:
- No
- Area (mi²):
- 10.314
- State:
- Illinois
Glen Carbon is a village located in Madison County, Illinois. Glen Carbon has a 2025 population of 13,872. Glen Carbon is currently growing at a rate of 0.01% annually and its population has increased by 0.07% since the most recent census, which recorded a population of 13,862 in 2020.
The average household income in Glen Carbon is $123,113 with a poverty rate of 5.49%. The median age in Glen Carbon is 39.2 years: 38.1 years for males, and 40.1 years for females.