There are 359 Periodontists in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Periodontist per 14,592 people, and 1 Periodontist per 2 square miles.
In Illinois, Cook County is ranked 13th of 102 counties in Periodontists per capita, and 1st of 102 counties in Periodontists per square mile.