Rosaryville, Maryland

Rosaryville, Maryland
Old Most Holy Rosary Church, Rosaryville, 2019
Location of Rosaryville, Maryland
Coordinates: 38°46′4″N 76°50′8″W / 38.76778°N 76.83556°W / 38.76778; -76.83556
Country United States
State Maryland
County Prince George's
Area
  Total
9.20 sq mi (23.82 km2)
  Land9.18 sq mi (23.78 km2)
  Water0.01 sq mi (0.04 km2)
Elevation
223 ft (68 m)
Population
 (2020)
  Total
11,548
  Density1,257.54/sq mi (485.55/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
Area code(s)301, 240
FIPS code24-68300
GNIS feature ID0597990

Rosaryville is an unincorporated area and census-designated place (CDP) in Prince George's County, Maryland, United States, located south of Clinton and Upper Marlboro beside U.S. Route 301. Per the 2020 census, the population was 11,548. including housing developments and rural open space. It was named for a local Roman Catholic church. Close to Rosaryville are the Marlton housing development, Maryland Veterans Cemetery, the Southern Maryland Farmers Market, and Rosaryville State Park.