There are 141 Plumbing Services in Mercer County, New Jersey, serving a population of 373,362 people in an area of 225 square miles. There is 1 Plumbing Service per 2,647 people, and 1 Plumbing Service per 1 square miles.
In New Jersey, Mercer County is ranked 18th of 21 counties in Plumbing Services per capita, and 9th of 21 counties in Plumbing Services per square mile.