Census place · GEOID 2964136 · Franklin County
St. Clair, MO ZIP codes
2 ZIP/ZCTAs intersecting this Census place in Franklin County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place St. Clair (GEOID 2964136). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 31,977 (2 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 St. Clair, MO

ZIP/ZCTA overlap with St. Clair
Population overlap
Share of each ZIP/ZCTA’s population located within St. Clair, 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 St. Clair
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 63077 | Saint Clair | Franklin County | 11,466 | $56,458 |
| 63084 | Union | Franklin County | 20,511 | $72,332 |