St. Mary, Kentucky

St. Mary, Kentucky
Location within Kentucky
CountryUnited States
StateKentucky
CountyMarion
Settledc. 1785
Incorporated1865
Named aftera local college
Area
 • Total
0.78 sq mi (2.03 km2)
 • Land0.78 sq mi (2.02 km2)
 • Water0.0077 sq mi (0.02 km2)
Elevation
762 ft (232 m)
Population
 (2020)
 • Total
138
 • Density177.3/sq mi (68.46/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
40063
Area codes270 & 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.