There are 106 Periodical Publishers in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Periodical Publisher per 49,420 people, and 1 Periodical Publisher per 8 square miles.
In Illinois, Cook County is ranked 9th of 102 counties in Periodical Publishers per capita, and 1st of 102 counties in Periodical Publishers per square mile.