There are 231 Plumbing Services in Union County, New Jersey, serving a population of 557,320 people in an area of 103 square miles. There is 1 Plumbing Service per 2,412 people, and 1 Plumbing Service per square mile.
In New Jersey, Union County is ranked 14th of 21 counties in Plumbing Services per capita, and 3rd of 21 counties in Plumbing Services per square mile.