Ridgeland is a town in Jasper County, South Carolina, United States. The population was 4,036 at the 2010 census, a 60% increase from 2000. It has been the county seat of Jasper County since its formation in 1912. As defined by the U.S. Census Bureau, Ridgeland is included within the Hilton Head Island-Bluffton-Beaufort, SC Metropolitan Statistical Area.