ZIP code · Saint Mary · Missouri · United States
ZIP code 63673 — Saint Mary
ZIP code 63673 serves Saint Mary, Missouri.
- Postal code
- 63673Single source Value from one source, not cross-checked.
- City
- Saint Mary
- County
- Ste. Genevieve
- State
- Missouri
- Country
- United States
- Coordinates
- 37.8325, -89.9770 — precision precise (locality)
View on OpenStreetMap - Population
- 2,350 (ZCTA, ACS 5-year)
- Median household income
- $75,000
- Median age
- 38.5
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page