Gurnee is located in Lake county Illinois with a geographic area of 13.5 square miles. The total population in Gurnee is 30,519 with 47.5% male and 52.5% female. Children under age 5 represent 4.5% of the population, under age 18 equal 22.9% of the population and over age 65 is 12.0% of the population. The median household income is $100,892, per capita income is $47,800. There are a total of 11,403 housing units with 71.6% owner occupied. Education includes 15.8% of residents that are high school graduates and 55.6% with a bachelor's degree or higher. The average temperature in Gurnee in the summer is 74 degrees, and in the winter 27 degrees.
