Country club hills is located in Cook county Illinois with a geographic area of 5.0 square miles. The total population in Country club hills is 16,564 with 45.1% male and 54.9% female. Children under age 5 represent 4.0% of the population, under age 18 equal 22.0% of the population and over age 65 is 15.3% of the population. The median household income is $70,306, per capita income is $30,318. There are a total of 5,695 housing units with 80.6% owner occupied. Education includes 16.6% of residents that are high school graduates and 36.0% with a bachelor's degree or higher. The average temperature in Country club hills in the summer is 72 degrees, and in the winter 27 degrees.