Willowbrook is located in Dupage county Illinois with a geographic area of 1.5 square miles. The total population in Willowbrook is 2,062 with 58.8% male and 41.2% female. Children under age 5 represent 1.4% of the population, under age 18 equal 12.5% of the population and over age 65 is 13.3% of the population. The median household income is $73,990, per capita income is $28,046. There are a total of 681 housing units with 98.5% owner occupied. Education includes 39.2% of residents that are high school graduates and 36.1% with a bachelor's degree or higher. The average temperature in Willowbrook in the summer is 74 degrees, and in the winter 27 degrees.
