Ridgeville is a town in Dorchester County, South Carolina, United States.

The Cypress Methodist Camp Ground was added to the National Register of Historic Places in 1978.

According to the United States Census Bureau, the town has a total area of 1.8 square miles (4.7 km2), all land.

There were 232 housing units at an average density of 127.7 per square mile (49.3/km2).

25.7% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older.