Upper Marlboro

Upper Marlboro, officially the Town of Upper Marlboro, is the county seat of Prince George's County, Maryland. As of the 2020 census, the population within the town limits was 652, although Greater Upper Marlboro, which covers a large area outside the town limits, is many times larger.
  • Established: 1706 (as Marlborough Town)
  • Elevation: 23 ft (7 m)
  • Country: United States
  • State: Maryland
  • County: Prince George's
  • Settled: 1695
  • Replatted: 1744 (as Upper Marlborough)
Data from: en.wikipedia.org