St. Mary, Kentucky

St. Mary, Kentucky
Location within Kentucky
CountryUnited States
StateKentucky
CountyMarion
Settledc.1785
Incorporated1865
Named aftera local college
Area
  Total
0.79 sq mi (2.03 km2)
  Land0.78 sq mi (2.02 km2)
  Water0.01 sq mi (0.02 km2)
Elevation
762 ft (232 m)
Population
 (2020)
  Total
138
  Density177.38/sq mi (68.46/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
40063
Area code(s)270 & 364
FIPS code21-67890
GNIS feature ID02797230

St. Mary is a home rule-class city in Marion County, Kentucky, in the United States. As of the 2020 census, the population of the city was 138.