Elizabethton is located in Carter county Tennessee with a geographic area of 9.6 square miles. The total population in Elizabethton is 13,568 with 46.8% male and 53.2% female. Children under age 5 represent 5.4% of the population, under age 18 equal 21.7% of the population and over age 65 is 19.2% of the population. The median household income is $38,007, per capita income is $21,695. There are a total of 5,158 housing units with 57.7% owner occupied. Education includes 34.7% of residents that are high school graduates and 20.1% with a bachelor's degree or higher. The average temperature in Elizabethton in the summer is 73 degrees, and in the winter 38 degrees.