Carterville is located in Williamson county Illinois with a geographic area of 5.3 square miles. The total population in Carterville is 5,861 with 46.7% male and 53.3% female. Children under age 5 represent 8.8% of the population, under age 18 equal 26.9% of the population and over age 65 is 15.1% of the population. The median household income is $58,362, per capita income is $32,249. There are a total of 2,368 housing units with 71.2% owner occupied. Education includes 18.5% of residents that are high school graduates and 47.9% with a bachelor's degree or higher. The average temperature in Carterville in the summer is 75 degrees, and in the winter 27 degrees.
