Winchester is located in Franklin county Tennessee with a geographic area of 10.7 square miles. The total population in Winchester is 8,818 with 50.9% male and 49.1% female. Children under age 5 represent 5.9% of the population, under age 18 equal 22.5% of the population and over age 65 is 20.8% of the population. The median household income is $48,021, per capita income is $31,668. There are a total of 3,425 housing units with 65.1% owner occupied. Education includes 32.5% of residents that are high school graduates and 27.0% with a bachelor's degree or higher. The average temperature in Winchester in the summer is 76 degrees, and in the winter 38 degrees.