There are 287 Data Services in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Data Service per 18,252 people, and 1 Data Service per 3 square miles.
In Illinois, Cook County is ranked 14th of 102 counties in Data Services per capita, and 2nd of 102 counties in Data Services per square mile.