| City : | St. Mary City |
| County : | Ste. Genevieve County |
| State : | Missouri (MO) |
| Land Area : | 0.60 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 37.8738236 |
| Longitude : | -89.9496592 |
| Population (2010): | 360 |
| Population Estimate (2012) : | 376 |
| Population Density : | 600.73/sq mi |
| Housing Units (2012) : | 188 |
| Median Household Income (2012) : | $32,143 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $43,516 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $77,400 (Missouri : $138,400, USA : $181,400) |
St. Mary City Zip Codes
| 63673 (2,115) |