Census place · GEOID 1755249 · St. Clair County
O'Fallon, 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 O'Fallon (GEOID 1755249). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 64,134 (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 O'Fallon, IL
ZIP/ZCTA overlap with O'Fallon
Population overlap
Share of each ZIP/ZCTA’s population located within O'Fallon, 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 O'Fallon
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 62208 | Fairview Heights | St. Clair County | 16,653 | $78,423 |
| 62225 | Scott Air Force Base | St. Clair County | 5,606 | $91,988 |
| 62254 | Lebanon | St. Clair County | 6,339 | $89,500 |
| 62269 | O Fallon | St. Clair County | 35,536 | $100,167 |