There are 104 Swimming Services in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Swimming Service per 50,370 people, and 1 Swimming Service per 9 square miles.
In Illinois, Cook County is ranked 51st of 102 counties in Swimming Services per capita, and 2nd of 102 counties in Swimming Services per square mile.