There are 236 Plumbing Services in Hillsborough County, New Hampshire, serving a population of 406,371 people in an area of 876 square miles. There is 1 Plumbing Service per 1,721 people, and 1 Plumbing Service per 3 square miles.
In New Hampshire, Hillsborough County is ranked 9th of 10 counties in Plumbing Services per capita, and 2nd of 10 counties in Plumbing Services per square mile.