Charleston is located in Bradley county Tennessee with a geographic area of 1.0 square miles. The total population in Charleston is 668 with 42.5% male and 57.5% female. Children under age 5 represent 3.7% of the population, under age 18 equal 23.2% of the population and over age 65 is 19.8% of the population. The median household income is $45,962, per capita income is $22,003. There are a total of 250 housing units with 76.0% owner occupied. Education includes 40.8% of residents that are high school graduates and 7.6% with a bachelor's degree or higher. The average temperature in Charleston in the summer is 76 degrees, and in the winter 38 degrees.