There are 139 Plumbing Services in Dauphin County, Pennsylvania, serving a population of 273,329 people in an area of 525 square miles. There is 1 Plumbing Service per 1,966 people, and 1 Plumbing Service per 3 square miles.
In Pennsylvania, Dauphin County is ranked 35th of 67 counties in Plumbing Services per capita, and 15th of 67 counties in Plumbing Services per square mile.