Franklin is located in Williamson county Tennessee with a geographic area of 42.8 square miles. The total population in Franklin is 80,675 with 47.9% male and 52.1% female. Children under age 5 represent 7.5% of the population, under age 18 equal 25.5% of the population and over age 65 is 12.7% of the population. The median household income is $100,169, per capita income is $48,111. There are a total of 30,847 housing units with 65.4% owner occupied. Education includes 9.4% of residents that are high school graduates and 66.1% with a bachelor's degree or higher. The average temperature in Franklin in the summer is 76 degrees, and in the winter 38 degrees.