There are 824 Pet Health Services in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Pet Health Service per 6,357 people, and 1 Pet Health Service per 1 square miles.
In Illinois, Cook County is ranked 90th of 102 counties in Pet Health Services per capita, and 2nd of 102 counties in Pet Health Services per square mile.