There are 208 Pet Services in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Pet Service per 25,185 people, and 1 Pet Service per 4 square miles.
In Illinois, Cook County is ranked 41st of 102 counties in Pet Services per capita, and 2nd of 102 counties in Pet Services per square mile.