Carlton is an unincorporated community and census-designated place inClarke County, Alabama, United States. As of the 2010 census, its population was 65. It was formerly known as Hal's Lake. The Isaac Nettles Gravestones are located in Carlton in the Mount Nebo Baptist Church Cemetery. They are listed on the National Register of Historic Places.
Carlton is located in southern Clarke County at Coordinates: and has an elevation of 171 feet (52 m).