Joliet is located in Will county Illinois with a geographic area of 64.5 square miles. The total population in Joliet is 147,323 with 49.5% male and 50.5% female. Children under age 5 represent 6.5% of the population, under age 18 equal 27.1% of the population and over age 65 is 10.2% of the population. The median household income is $72,871, per capita income is $29,615. There are a total of 48,516 housing units with 70.0% owner occupied. Education includes 24.8% of residents that are high school graduates and 25.4% with a bachelor's degree or higher. The average temperature in Joliet in the summer is 72 degrees, and in the winter 27 degrees.
