County · GEOID 29189
St. Louis County, MO ZIP codes
47 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County St. Louis County (GEOID 29189). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 1,069,994 (47 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with St. Louis County
Population overlap
Share of each ZIP/ZCTA’s population located within St. Louis County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 6300599.8%
Directory county
- 63011100.0%
Directory county
- 63017100.0%
Directory county
- 63021100.0%
Directory county
- 6302577.6%
Directory county
- 6302651.9%
Directory county
- 63031100.0%
Directory county
- 63033100.0%
Directory county
- 63034100.0%
Directory county
- 63038100.0%
Directory county
- 63040100.0%
Directory county
- 63042100.0%
Directory county
- 63043100.0%
Directory county
- 63044100.0%
Directory county
- 63045100.0%
Directory county
- 630497.1%
- 6306919.1%
- 63074100.0%
Directory county
- 63088100.0%
Directory county
- 6310594.1%
Directory county
- 63114100.0%
Directory county
- 6311792.7%
Directory county
- 6311998.9%
Directory county
- 6312012.6%
- 63121100.0%
Directory county
- 63122100.0%
Directory county
- 6312395.8%
Directory county
- 63124100.0%
Directory county
- 6312598.8%
Directory county
- 63126100.0%
Directory county
- 63127100.0%
Directory county
- 63128100.0%
Directory county
- 63129100.0%
Directory county
- 6313098.2%
Directory county
- 63131100.0%
Directory county
- 63132100.0%
Directory county
- 6313397.5%
Directory county
- 63134100.0%
Directory county
- 63135100.0%
Directory county
- 6313693.8%
Directory county
- 6313796.0%
Directory county
- 63138100.0%
Directory county
- 63140100.0%
Directory county
- 63141100.0%
Directory county
- 6314384.0%
Directory county
- 63144100.0%
Directory county
- 63146100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting St. Louis County
USPS associates these ZIPs with St. Louis County
These codes list St. Louis County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 63001 | Allenton | St. Louis County | 34 | — |
| 63006 | Chesterfield | St. Louis County | 441 | — |
| 63022 | Ballwin | St. Louis County | 249 | — |
| 63024 | Ballwin | St. Louis County | 41 | — |
| 63032 | Florissant | St. Louis County | 628 | — |
| 63099 | Fenton | St. Louis County | — | — |
| 63145 | Saint Louis | St Louis County | 84 | — |