Kingston, TN has a population of 5,841 and is the 5,852nd largest city in the United States. The population density is 826 per sq mi which is 440% higher than the Tennessee average and 812% higher than the national average. The median age in Kingston is 49 which is approximately 26% higher than the Tennessee average of 39. In Kingston, 58% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 62% of Kingston residents were born in Tennessee, 37% were born out of state, 0% were born outside of the United States and 1% were foreign born.