There are 6534 Plumbing Services in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Plumbing Service per 1,967 people, and 1 Plumbing Service per 8 square miles.
The state of Illinois is ranked 28th in Plumbing Services per capita, and 14th in Plumbing Services per square mile.