There are 132 Plumbing Services in Allen County, Indiana, serving a population of 367,747 people in an area of 658 square miles. There is 1 Plumbing Service per 2,785 people, and 1 Plumbing Service per 4 square miles.
In Indiana, Allen County is ranked 34th of 92 counties in Plumbing Services per capita, and 7th of 92 counties in Plumbing Services per square mile.