Saint Joseph, MO ZIP codes
Saint Joseph (also written St. Joseph), Missouri has 8 ZIP codes, including 2 PO Box ZIPs. They are in Buchanan County and Andrew County.
- Population in these ZIPs
- 82,270
- Avg. median income
- $61,000population-weighted
- Typical home value
- $196,200population-weighted
- Metro area
- St. Joseph, MO-KS
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Saint Joseph, MO ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 64501 | Buchanan County | 10,689 | $46,731 | $125,500 |
| 64502 PO Box | Buchanan County | — | — | — |
| 64503 | Buchanan County | 11,954 | $53,039 | $171,800 |
| 64504 | Buchanan County | 10,068 | $58,801 | $130,300 |
| 64505 | Andrew County | 14,107 | $73,298 | $220,300 |
| 64506 | Buchanan County | 21,461 | $65,573 | $278,600 |
| 64507 | Buchanan County | 13,991 | $61,158 | $167,500 |
| 64508 PO Box | Buchanan County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Saint Joseph
Frequently asked questions
What is the ZIP code for Saint Joseph, MO?
Saint Joseph, MO has 8 ZIP codes: 64501, 64502, 64503, 64504, 64505, 64506, 64507 and 64508.
What county is Saint Joseph, Missouri in?
Saint Joseph ZIP codes are in Buchanan County and Andrew County.
Which Saint Joseph ZIP codes are PO Boxes?
64502 and 64508 are PO Box or single-organization ZIP codes; they have no residential delivery area.