Cary is located in Lake county Illinois with a geographic area of 6.2 square miles. The total population in Cary is 17,926 with 50.0% male and 50.0% female. Children under age 5 represent 5.7% of the population, under age 18 equal 22.6% of the population and over age 65 is 10.8% of the population. The median household income is $105,344, per capita income is $44,717. There are a total of 6,459 housing units with 86.7% owner occupied. Education includes 13.4% of residents that are high school graduates and 50.0% with a bachelor's degree or higher. The average temperature in Cary in the summer is 74 degrees, and in the winter 27 degrees.
