There are 10 zip codes in Buchanan County, Missouri. The most populated is 64506, located in Saint Joseph. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
64506 | Saint Joseph | 22,241 |
64507 | Saint Joseph | 14,316 |
64503 | Saint Joseph | 12,033 |
64501 | Saint Joseph | 10,567 |
64504 | Saint Joseph | 10,348 |
64443 | Easton | 1,734 |
64401 | Agency | 1,299 |
64448 | Faucett | 935 |
64440 | De Kalb | 904 |
64484 | Rushville | 819 |