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About Upper Marlboro, Maryland

Coordinates: 38°48?59?N 76°45?12?W? / ?38.81639°N 76.75333°W? / 38.81639; -76.75333Coordinates: 38°48?59?N 76°45?12?W? / ?38.81639°N 76.75333°W? / 38.81639; -76.753330.4 sq mi (1.1 km2)0.4 sq mi (1.0 km2)0.04 sq mi (0.1 km2)Upper Marlboro is a town in and the county seat of Prince George's County, Maryland, United States. The population within the town limits was 631 at the 2010 census, although Greater Upper Marlboro is many times larger.

News from Upper Marlboro

Upper Marlboro Facts

  • Population Total: 631
  • Area Code: 301
  • Elevation: 23
  • Postal Codes: 20700-20799
  • Timezone: North American Eastern