There are 138 Plumbing Services in Loudoun County, Virginia, serving a population of 374,558 people in an area of 516 square miles. There is 1 Plumbing Service per 2,714 people, and 1 Plumbing Service per 3 square miles.
In Virginia, Loudoun County is ranked 62nd of 133 counties in Plumbing Services per capita, and 25th of 133 counties in Plumbing Services per square mile.