Kingsport is located in Sullivan county Tennessee with a geographic area of 52.6 square miles. The total population in Kingsport is 53,699 with 46.2% male and 53.8% female. Children under age 5 represent 5.1% of the population, under age 18 equal 19.8% of the population and over age 65 is 25.0% of the population. The median household income is $42,066, per capita income is $30,275. There are a total of 23,987 housing units with 62.1% owner occupied. Education includes 30.4% of residents that are high school graduates and 29.7% with a bachelor's degree or higher. The average temperature in Kingsport in the summer is 74 degrees, and in the winter 38 degrees.