Crestwood is located in Cook county Illinois with a geographic area of 3.0 square miles. The total population in Crestwood is 10,762 with 45.6% male and 54.4% female. Children under age 5 represent 4.6% of the population, under age 18 equal 14.6% of the population and over age 65 is 27.9% of the population. The median household income is $60,541, per capita income is $30,003. There are a total of 4,862 housing units with 72.8% owner occupied. Education includes 30.3% of residents that are high school graduates and 27.1% with a bachelor's degree or higher. The average temperature in Crestwood in the summer is 74 degrees, and in the winter 27 degrees.