Clinton is an unincorporated census-designated place (CDP) in Prince George's County, Maryland, United States. Clinton was formerly known as Surrattsville until after the time of the Civil War, and Robeystown from 1865 to 1878. The population of Clinton was 38,760 at the 2020 census. Clinton is historically known for its role in the American Civil War concerning the Abraham Lincoln assassination. Clinton is adjacent to Camp Springs, Rosaryville, Melwood, and Andrews Air Force Base.