Saint Mary, MO ZIP code
The ZIP code for Saint Mary (also written St. Mary), Missouri is 63673. It is in Ste. Genevieve County.
- Population in these ZIPs
- 2,340
- Avg. median income
- $77,900population-weighted
- Typical home value
- $263,800population-weighted
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Saint Mary, MO ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 63673 | 2,340 | $77,931 | $263,800 |
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 Mary
- Sainte Genevieve 10 mi
- Perryville 11 mi
- Farrar 19 mi
- Bloomsdale 20 mi
- Patton 21 mi
- Farmington 21 mi
- Friedheim 22 mi
- Sedgewickville 22 mi
- French Village 23 mi
- Uniontown 23 mi
- Old Appleton 23 mi
- Daisy 24 mi
Frequently asked questions
What is the ZIP code for Saint Mary, MO?
The ZIP code for Saint Mary, MO is 63673.
What county is Saint Mary, Missouri in?
Saint Mary ZIP codes are in Ste. Genevieve County.