Arlington heights is located in Cook county Illinois with a geographic area of 16.6 square miles. The total population in Arlington heights is 75,071 with 48.8% male and 51.2% female. Children under age 5 represent 6.2% of the population, under age 18 equal 22.9% of the population and over age 65 is 19.6% of the population. The median household income is $100,221, per capita income is $51,340. There are a total of 30,672 housing units with 74.0% owner occupied. Education includes 13.2% of residents that are high school graduates and 61.8% with a bachelor's degree or higher. The average temperature in Arlington heights in the summer is 74 degrees, and in the winter 27 degrees.
