Country Club Hills is a city in Cook County, Illinois, United States. The population was 16,541 at the 2010 census.
Country Club Hills is located at 41°33′44″N 87°43′15″W (41.562107, -87.720844).
According to the 2010 census, Country Club Hills has a total area of 4.838 square miles (12.53 km2), of which 4.82 square miles (12.48 km2) (or 99.63%) is land and 0.018 square miles (0.05 km2) (or 0.37%) is water.
As of the 2010 census, there were 16,541 people, 5,662 households, and 4,243 families residing in the city. The population density was 3,431.7 people per square mile (1,325.0/km2). There were 6,102 housing units at an average density of 1,266.0 per square mile (488.2/km2). The racial makeup of the city was 8.7% White, 87.1% Black, 2% Native American, 1.0% Asian, 0.04% Native Hawaiian or other Pacific Islander, 1.1% some other race, and 1.8% from two or more races. Hispanic or Latino of any race were 2.8% of the population.
There were 5,662 households, out of which 41.6% had children under the age of 18 living with them, 42.5% were headed by married couples living together, 26.5% had a female householder with no husband present, and 25.1% were non-families. 22.2% of all households were made up of individuals, and 8.5% were someone living alone who was 65 years of age or older. The average household size was 2.92, and the average family size was 3.41.
In the city, the population was spread out, with 28.0% under the age of 18, 8.5% from 18 to 24, 24.2% from 25 to 44, 28.1% from 45 to 64, and 11.2% who were 65 years of age or older. The median age was 37.1 years. For every 100 females, there were 83.3 males.