Fast Facts About South Kingstown, RI What to know about South Kingstown. Population (2010): 31,851 Distance from: Boston, MA: 1hr 28min Hartford, CT: 1hr 31min Providence, RI: 39min Nearest airport: Providence – 34min Median income (2020): Individual: $40,342 Household: $96,526 County: Washington County Type of location: Town Why is South Kingstown a Nice Place to […]