Fairmount township
- County:
- Vermilion County
- County Seat:
- No
- Area (mi²):
- 37.603
- State:
- Illinois
Fairmount township is located in Vermilion County, Illinois. Fairmount township has a 2026 population of 157. Fairmount township is currently declining at a rate of -0.63% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 159 in 2020.
The median age in Fairmount township is 45.2 years: 36.7 years for males, and 46 years for females. For every 100 females there are 88.9 males.