There are 1621 Plumbing Services in Middlesex County, Massachusetts, serving a population of 1,582,857 people in an area of 818 square miles. There is 1 Plumbing Service per 976 people, and 1 Plumbing Service per square mile.
In Massachusetts, Middlesex County is ranked 5th of 14 counties in Plumbing Services per capita, and 2nd of 14 counties in Plumbing Services per square mile.