Lisle is located in Dupage county Illinois with a geographic area of 6.9 square miles. The total population in Lisle is 23,363 with 51.7% male and 48.3% female. Children under age 5 represent 6.9% of the population, under age 18 equal 21.1% of the population and over age 65 is 15.4% of the population. The median household income is $96,945, per capita income is $50,750. There are a total of 9,787 housing units with 57.4% owner occupied. Education includes 10.9% of residents that are high school graduates and 60.2% with a bachelor's degree or higher. The average temperature in Lisle in the summer is 74 degrees, and in the winter 27 degrees.
