There are 142 Plumbing Services in Washington County, Pennsylvania, serving a population of 207,661 people in an area of 857 square miles. There is 1 Plumbing Service per 1,462 people, and 1 Plumbing Service per 6 square miles.
In Pennsylvania, Washington County is ranked 11th of 67 counties in Plumbing Services per capita, and 20th of 67 counties in Plumbing Services per square mile.