There are 321 Addiction Treatment Centers in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Addiction Treatment Center per 16,319 people, and 1 Addiction Treatment Center per 2 square miles.
In Illinois, Cook County is ranked 27th of 102 counties in Addiction Treatment Centers per capita, and 1st of 102 counties in Addiction Treatment Centers per square mile.