Collierville is located in Shelby county Tennessee with a geographic area of 36.3 square miles. The total population in Collierville is 50,596 with 48.4% male and 51.6% female. Children under age 5 represent 5.9% of the population, under age 18 equal 26.8% of the population and over age 65 is 14.5% of the population. The median household income is $117,327, per capita income is $52,314. There are a total of 17,598 housing units with 78.5% owner occupied. Education includes 11.7% of residents that are high school graduates and 60.9% with a bachelor's degree or higher. The average temperature in Collierville in the summer is 77 degrees, and in the winter 38 degrees.