Fairmont City, Illinois

Fairmont City, Illinois
Motto: 
City of good neighbors
Location in St. Clair and Madison counties, Illinois
Coordinates: 38°38′52″N 90°07′35″W / 38.64778°N 90.12639°W / 38.64778; -90.12639
CountryUnited States
StateIllinois
CountiesSt. Clair; Madison
TownshipsCanteen; Stites; Nameoki
Area
 • Total
6.55 sq mi (16.96 km2)
 • Land6.20 sq mi (16.07 km2)
 • Water0.34 sq mi (0.89 km2)
Elevation
420 ft (130 m)
Population
 (2020)
 • Total
2,265
 • Density365.1/sq mi (140.95/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP Code
62201
Area code618
FIPS code17-24933
GNIS feature ID2398855
Websitewww.fairmontcityil.com

Fairmont City is a village in St. Clair and Madison counties, Illinois, United States. The population was 2,265 at the 2020 census, down from 2,635 in 2010. In the 1990s Fairmont City's Hispanic population doubled, and as of 2020, over 79% of the population was of Hispanic descent.