Illinois · Census place 1724933
Fairmont City, Illinois
Fairmont City is a village in 2 counties of Illinois with an estimated 2,169 residents on July 1, 2024. It is the 464th largest of 651 incorporated places of 1,000+ people in the state.
- Population 2024
- 2,169
- #464 of 651 in Illinois
- Change since 2020
- -3.8%
- -86 people
- Land area
- 6.2 sq mi
- + 0.34 sq mi water
- Density
- 349 / sq mi
- State median 2,177
Measure from here
Tools and pages that start from Fairmont City
Fairmont City population, 2020 to 2024
Fairmont City lost 86 residents from July 2020 to July 2024, a change of -3.8%. In the latest year it moved by -16.
Fairmont City covers 6.21 square miles of land and 0.34 of water, for 349 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Fairmont City is less dense than the typical town.
The 2 counties Fairmont City spans
Fairmont City crosses county lines. The Census county-part estimates split its 2,169 residents as follows; St. Clair County holds 98.9% of them. The shaded shapes are on the map above; dots mark the eight nearest places.
- 01St. Clair County2,146
- 02Madison County23
ZIP codes in Fairmont City
2 ZIP Code Tabulation Areas (ZCTAs) overlap Fairmont City by at least 10% of the ZCTA's or the village's land: 62201, 62234. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.
Where Fairmont City is
The Census internal point of Fairmont City is at 38.646500, -90.100200. Springfield, the capital, is 82.0 miles NNE in a straight line. The nearest larger place is Washington Park, IL (2,481 people), 1.3 miles away. The nearest city of 100,000 or more is St. Louis, MO, 7.8 miles away.
Internal point
- Decimal
- 38.646500, -90.100200
- DMS
- 38°38'47.40"N 90°06'0.72"W
- UTM
- 15N 752367.3E 4281539.7N
- Geohash
- 9yzgverh1
- Plus code
- 86CFJVWX+JW
Daylight in Fairmont City
At 38.65° N, Fairmont City gets about 14 h 52 min of daylight around the June solstice and 9 h 28 min around the December solstice, a swing of 5 h 25 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Fairmont City
The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Washington Park, 1.3 miles away, with 2,481 people.
Questions people ask
What is the population of Fairmont City, IL?
2,169 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 86 (3.8%) from 2,255 in July 2020.
What county is Fairmont City in?
It spans 2 counties: St. Clair County (2,146 residents), Madison County (23 residents).
What ZIP codes cover Fairmont City?
2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 62201, 62234.
How far is Fairmont City from Springfield?
82.0 miles (132.0 km) in a straight line, heading NNE from Fairmont City.
What is the nearest larger city to Fairmont City?
Washington Park, IL, with 2,481 residents, 1.3 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.