Prince Frederick, Maryland

Prince Frederick, Maryland
Downtown Prince Frederick
Location of Prince Frederick, Maryland
Coordinates: 38°32′55″N 76°35′19″W / 38.54861°N 76.58861°W / 38.54861; -76.58861
CountryUnited States
StateMaryland
CountyCalvert
Founded1722
Named afterFrederick, Prince of Wales
Area
  Total
3.67 sq mi (9.50 km2)
  Land3.66 sq mi (9.49 km2)
  Water0.00 sq mi (0.01 km2)
Elevation
138 ft (42 m)
Population
 (2020)
  Total
3,226
  Density880.94/sq mi (340.11/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
ZIP code
20678
Area code410
FIPS code24-63950
GNIS feature ID0591073

Prince Frederick is an unincorporated community and census-designated place (CDP) in Calvert County, Maryland, United States. As of the 2020 census, the population of Prince Frederick was 3,226, up from 2,538 in 2010. It is the county seat of Calvert County.