There are 473 Plumbing Services in Montgomery County, Maryland, serving a population of 1,039,198 people in an area of 493 square miles. There is 1 Plumbing Service per 2,197 people, and 1 Plumbing Service per 1 square miles.
In Maryland, Montgomery County is ranked 10th of 24 counties in Plumbing Services per capita, and 2nd of 24 counties in Plumbing Services per square mile.