[County Seal, Charles County, Maryland] Origin: Charles County was created north of the Wicomico River by an Order in Council on April 13, 1658. It is not to be confused with Old Charles County (1650-1653). The County was named for Charles Calvert (1637-1715), heir apparent and later 3rd Lord Baltimore, who lived in Maryland from 1661 to 1684, when he returned to England. Though Proprietor of the Maryland colony from 1675, he lost his right to govern in 1689. Thereafter, Maryland was governed as a royal colony from 1692 until Calvert's death in 1715.

Boundaries: Bounded north by Prince George's County; east by St. Mary's County; south & west by Potomac River.
County Code
County Seat: La Plata, MD 20646
Form of Government: Code Home Rule since 2002
Population: 1990 census: 101,154; 2000 census: 120,546; 2010 census: 146,551; 2020 census: 166,617


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[photo, Charles County Government Building, 200 Baltimore St., La Plata, Maryland]

Charles County Government Building, 200 Baltimore St., La Plata, Maryland, May 2004. Photo by Diane F. Evartt.

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