Kingston is located close to the center of Rhode Island. Kingston is part of Washington County. Kingston has 1.56 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Kingston population is 7,136, which has grown 31.03% since 2000. The population growth rate is much higher than the state average rate of 0.47% and is much higher than the national average rate of 11.61%. Kingston median household income is $71,813 in 2010-2014 and has grown by 27.87% since 2000. The income growth rate is lower than the state average rate of 34.05% and is about the same as the national average rate of 27.36%. Kingston median house value is $336,700 in 2010-2014 and has grown by 94.18% since 2000. The house value growth rate is higher than the state average rate of 81.35% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Kingston is much better than the state average in quality. The Kingston area code is 401.