There are 481 Plumbing Services in Fairfax County, Virginia, serving a population of 1,142,004 people in an area of 391 square miles. There is 1 Plumbing Service per 2,374 people, and 1 Plumbing Service per square mile.
In Virginia, Fairfax County is ranked 49th of 133 counties in Plumbing Services per capita, and 7th of 133 counties in Plumbing Services per square mile.