There are 153 Plumbing Services in Penobscot County, Maine, serving a population of 152,284 people in an area of 3,397 square miles. There is 1 Plumbing Service per 995 people, and 1 Plumbing Service per 22 square miles.
In Maine, Penobscot County is ranked 15th of 16 counties in Plumbing Services per capita, and 10th of 16 counties in Plumbing Services per square mile.