
Fairmount
- County:
- Vermilion County
- County Seat:
- No
- Area (mi²):
- 0.317
- State:
- Illinois
Fairmount is a village located in Vermilion County, Illinois. Fairmount has a 2025 population of 581. Fairmount is currently declining at a rate of -1.19% annually and its population has decreased by -5.68% since the most recent census, which recorded a population of 616 in 2020.
The average household income in Fairmount is $69,561 with a poverty rate of 13.27%. The median age in Fairmount is 40.6 years: 40.8 years for males, and 39 years for females.