There are 913 HVAC Companies in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 HVAC Companies per 5,737 people, and 1 HVAC Companies per 1 square miles.
In Illinois, Cook County is ranked 29th of 102 counties in HVAC Companies per capita, and 2nd of 102 counties in HVAC Companies per square mile.