Census place · GEOID 1724933 · St. Clair County
Fairmont City, IL ZIP codes
4 ZIP/ZCTAs intersecting this Census place in St. Clair County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Fairmont City (GEOID 1724933). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 84,694 (4 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Fairmont City, IL

ZIP/ZCTA overlap with Fairmont City
Population overlap
Share of each ZIP/ZCTA’s population located within Fairmont City, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Fairmont City
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 62040 | Granite City | Madison County | 40,365 | $60,558 |
| 62201 | East Saint Louis | St. Clair County | 5,017 | $21,658 |
| 62232 | Caseyville | St. Clair County | 7,480 | $64,268 |
| 62234 | Collinsville | Madison County | 31,832 | $66,437 |