Wheaton is located in Dupage county Illinois with a geographic area of 11.3 square miles. The total population in Wheaton is 53,157 with 49.6% male and 50.4% female. Children under age 5 represent 6.3% of the population, under age 18 equal 22.8% of the population and over age 65 is 16.2% of the population. The median household income is $105,764, per capita income is $51,688. There are a total of 19,218 housing units with 72.9% owner occupied. Education includes 8.8% of residents that are high school graduates and 67.7% with a bachelor's degree or higher. The average temperature in Wheaton in the summer is 73 degrees, and in the winter 27 degrees.