There are 334 Plumbing Services in Middlesex County, New Jersey, serving a population of 837,288 people in an area of 309 square miles. There is 1 Plumbing Service per 2,506 people, and 1 Plumbing Service per square mile.
In New Jersey, Middlesex County is ranked 16th of 21 counties in Plumbing Services per capita, and 7th of 21 counties in Plumbing Services per square mile.