Census place · GEOID 2964082 · St. Charles County
St. Charles, MO ZIP codes
3 ZIP/ZCTAs intersecting this Census place in St. Charles County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place St. Charles (GEOID 2964082). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 173,128 (3 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. Charles, MO

ZIP/ZCTA overlap with St. Charles
Population overlap
Share of each ZIP/ZCTA’s population located within St. Charles, 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. Charles
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 63301 | Saint Charles | St. Charles County | 51,625 | $83,551 |
| 63303 | Saint Charles | St. Charles County | 46,627 | $98,031 |
| 63376 | Saint Peters | St. Charles County | 74,876 | $94,921 |