Northlake is located in Cook county Illinois with a geographic area of 3.2 square miles. The total population in Northlake is 12,235 with 48.6% male and 51.4% female. Children under age 5 represent 4.5% of the population, under age 18 equal 24.4% of the population and over age 65 is 14.8% of the population. The median household income is $60,495, per capita income is $23,813. There are a total of 4,188 housing units with 64.5% owner occupied. Education includes 30.0% of residents that are high school graduates and 13.8% with a bachelor's degree or higher. The average temperature in Northlake in the summer is 74 degrees, and in the winter 27 degrees.
