There are 104 Plumbing Services in Onslow County, North Carolina, serving a population of 192,685 people in an area of 763 square miles. There is 1 Plumbing Service per 1,852 people, and 1 Plumbing Service per 7 square miles.
In North Carolina, Onslow County is ranked 76th of 100 counties in Plumbing Services per capita, and 37th of 100 counties in Plumbing Services per square mile.