ZIP code · Saint Joseph · Missouri · United States
ZIP code 64503 — Saint Joseph
ZIP code 64503 serves Saint Joseph, Missouri.
- Postal code
- 64503Single source Value from one source, not cross-checked.
- City
- Saint Joseph
- County
- Buchanan FIPS 29021
- State
- Missouri
- Country
- United States
- Coordinates
- 39.7340, -94.8171 — precision precise (locality)
View on OpenStreetMap - Population
- 11,921 (ZCTA, ACS 5-year)
- Population density
- 823 / sq mi
- Land area
- 14.5 sq mi (37.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $53,351
- Per-capita income
- $29,957
- Median age
- 39.9
- Households
- 5,005
- Housing units
- 5,774
- Median home value
- $133,500
- Median gross rent
- $926 / month
- Congressional district
- MO-6 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 816Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 64503 with another ZIP · ZIPs within 25 miles · distance from 64503
Map of ZIP code 64503
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 43 | 55 | 66 | 76 | 85 | 88 | 86 | 80 | 68 | 53 | 41 |
| Avg low °F | 17 | 21 | 32 | 42 | 54 | 64 | 67 | 65 | 54 | 43 | 31 | 21 |
| Precip in | 0.7 | 0.9 | 2.1 | 3.7 | 4.9 | 4.8 | 4.7 | 3.8 | 3.2 | 2.8 | 1.9 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: ST JOSEPH ROSECRANS AP (6.3 mi) · NOAA NCEI
Places in ZIP 64503
- 5 schools
- 1 pharmacies
- 2 supermarkets
- 10 restaurants & cafés
- 7 parks
- 10 playgrounds
- 1 gyms & sports centres
- 13 places of worship
- 1 banks
- 4 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page