South Kingstown is a town located in Washington County, Rhode Island, in the United States. It serves as the county seat for the region.
According to the 2020 census, the town has a population of 31,931 residents. Geographically, South Kingstown is notable for its size within the state; it ranks as the second largest town in Rhode Island by total geographic area, following New Shoreham. It is also the third largest town in the state by geographic land area, positioned behind Exeter and Coventry.