San Mar, Maryland

San Mar, Maryland
Coordinates: 39°33′08″N 77°38′27″W / 39.55222°N 77.64083°W / 39.55222; -77.64083
CountryUnited States
StateMaryland
CountyWashington
Area
  Total
0.47 sq mi (1.21 km2)
  Land0.47 sq mi (1.21 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
568 ft (173 m)
Population
 (2020)
  Total
366
  Density785.41/sq mi (303.19/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
ZIP code
21713
Area code(s)240 and 301
FIPS code24-70300
GNIS feature ID2389798

San Mar is a census-designated place (CDP) in Washington County, Maryland, United States. The population was 515 at the 2000 census.