Jackson is located in Madison county Tennessee with a geographic area of 58.4 square miles. The total population in Jackson is 67,036 with 46.2% male and 53.8% female. Children under age 5 represent 7.0% of the population, under age 18 equal 24.4% of the population and over age 65 is 15.2% of the population. The median household income is $42,549, per capita income is $24,841. There are a total of 26,027 housing units with 52.2% owner occupied. Education includes 30.0% of residents that are high school graduates and 29.4% with a bachelor's degree or higher. The average temperature in Jackson in the summer is 78 degrees, and in the winter 38 degrees.