Millington is located in Shelby county Tennessee with a geographic area of 22.4 square miles. The total population in Millington is 10,650 with 49.3% male and 50.7% female. Children under age 5 represent 4.5% of the population, under age 18 equal 22.2% of the population and over age 65 is 14.5% of the population. The median household income is $51,728, per capita income is $30,249. There are a total of 4,071 housing units with 61.9% owner occupied. Education includes 27.4% of residents that are high school graduates and 15.8% with a bachelor's degree or higher. The average temperature in Millington in the summer is 77 degrees, and in the winter 38 degrees.