
South Kingstown
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 56.37
- State:
- Rhode Island
South Kingstown is located in Washington County, Rhode Island. South Kingstown has a 2025 population of 31,935. South Kingstown is currently declining at a rate of -0.14% annually but its population has increased by 0.02% since the most recent census, which recorded a population of 31,930 in 2020.
The average household income in South Kingstown is $132,714 with a poverty rate of 7.64%. The median age in South Kingstown is 38.9 years: 38.9 years for males, and 38.8 years for females.