Facts about Charles County, MD
Charles County is located in the southern central portion of the U.S. state of Maryland. As of the 2010 census, the population was 146,551. The county seat is La Plata. The county was named for Charles Calvert (1637–1715), third Baron Baltimore.
Geography
According to the U.S. Census Bureau, the county has a total area of 643 square miles (1,670 km²), of which 458 square miles (1,190 km²) is land and 185 square miles (480 km²) (29%) is water.
Cities
Serving Charles County, MD

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