There are 116 Laboratories in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Laboratory per 45,159 people, and 1 Laboratory per 8 square miles.
In Illinois, Cook County is ranked 20th of 102 counties in Laboratories per capita, and 1st of 102 counties in Laboratories per square mile.