County · GEOID 29021
Buchanan County, MO ZIP codes
15 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Buchanan County (GEOID 29021). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 95,813 (15 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 Buchanan County
Population overlap
Share of each ZIP/ZCTA’s population located within Buchanan County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 64401100.0%
Directory county
- 6443931.5%
- 6444095.8%
Directory county
- 64443100.0%
Directory county
- 644447.7%
- 64448100.0%
Directory county
- 6445421.6%
- 6448484.7%
Directory county
- 644900.2%
- 64501100.0%
Directory county
- 64503100.0%
Directory county
- 64504100.0%
Directory county
- 6450567.8%
Directory county
- 6450696.1%
Directory county
- 6450799.9%
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 Buchanan County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 64401 | Agency | Buchanan County | 1,604 | $96,142 |
| 64439 | Dearborn | Platte County | 1,535 | $92,917 |
| 64440 | De Kalb | Buchanan County | 876 | $82,679 |
| 64443 | Easton | Buchanan County | 1,647 | $110,563 |
| 64444 | Edgerton | Platte County | 1,300 | $77,583 |
| 64448 | Faucett | Buchanan County | 862 | $69,392 |
| 64454 | Gower | Clinton County | 2,586 | $73,431 |
| 64484 | Rushville | Buchanan County | 843 | $62,692 |
| 64490 | Stewartsville | DeKalb County | 1,858 | $79,194 |
| 64501 | Saint Joseph | Buchanan County | 10,354 | $41,615 |
| 64503 | Saint Joseph | Buchanan County | 11,921 | $53,351 |
| 64504 | Saint Joseph | Buchanan County | 10,286 | $55,300 |
| 64505 | Saint Joseph | Buchanan County | 13,875 | $70,741 |
| 64506 | Saint Joseph | Buchanan County | 22,107 | $61,713 |
| 64507 | Saint Joseph | Buchanan County | 14,159 | $63,014 |
USPS associates these ZIPs with Buchanan County
These codes list Buchanan County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 64502 | Saint Joseph | Buchanan County | 519 | — |
| 64508 | Saint Joseph | Buchanan County | 279 | — |