365 Duplexes for Sale in Cook County

about Cook County

Cook county is located in Illinois with a geographic area of 1,635.0 square miles. The total population in Cook county is 5,169,517 with 48.5% male and 51.5% female. Children under age 5 represent 6.1% of the population, under age 18 equal 21.8% of the population and over age 65 is 14.7% of the population. The median household income is $67,886, per capita income is $39,239. There are a total of 1,991,474 housing units with 57.2% owner occupied. Education includes 19.9% of residents that are high school graduates and 43.6% with a bachelor's degree or higher. The average temperature in Cook county in the summer is 72 degrees, and in the winter 26 degrees.