There are 185 Plumbing Services in McHenry County, Illinois, serving a population of 308,043 people in an area of 604 square miles. There is 1 Plumbing Service per 1,665 people, and 1 Plumbing Service per 3 square miles.
In Illinois, McHenry County is ranked 19th of 102 counties in Plumbing Services per capita, and 6th of 102 counties in Plumbing Services per square mile.