There are 828 Plumbing Services in Allegheny County, Pennsylvania, serving a population of 1,229,605 people in an area of 730 square miles. There is 1 Plumbing Service per 1,485 people, and 1 Plumbing Service per square mile.
In Pennsylvania, Allegheny County is ranked 14th of 67 counties in Plumbing Services per capita, and 3rd of 67 counties in Plumbing Services per square mile.