St. Mary, Missouri

St. Mary, Missouri
The old Mississippi River bed at St. Mary, now just a small stream
Location of St. Mary, Missouri
Coordinates: 37°52′34″N 89°56′58″W / 37.87611°N 89.94944°W / 37.87611; -89.94944
CountryUnited States
StateMissouri
CountySte. Genevieve
Area
  Total
0.61 sq mi (1.58 km2)
  Land0.60 sq mi (1.55 km2)
  Water0.01 sq mi (0.02 km2)
Elevation
459 ft (140 m)
Population
 (2020)
  Total
309
  Density515.86/sq mi (199.08/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
FIPS code29-65034
GNIS feature ID2396504

St. Mary is a city in Ste. Genevieve County, Missouri, United States. The population was 309 at the 2020 census.