Clements is an unincorporated community in St. Mary's County, Maryland, United States. Clements is located in northern St. Mary's County. ZIP Code 20624—Area Code 301—Time Zone Eastern—Population 1,282. It is 4 miles from the county seat of Leonardtown.
The community derives its name from Saint Clement parish on the island of Jersey.
38°19′34″N 76°43′38″W / 38.32611°N 76.72722°W