Ridgeville is a town in Dorchester County, South Carolina, United States. The population was 1,690 at the 2000 census. As defined by the U.S. Office of Management and Budget, and used by the U.S. Census Bureau for statistical purposes only, Ridgeville is included within the Charleston-North Charleston-Summerville metropolitan area.
Ridgeville is located at 33°5.6′N 80°18.8′W / 33.0933°N 80.3133°W / 33.0933; -80.3133 (33.0931, -80.3124).
According to the United States Census Bureau, the town has a total area of 1.8 square miles (4.7 km²), all of it land.