There are 201 Plumbing Services in Jefferson County, Missouri, serving a population of 222,639 people in an area of 657 square miles. There is 1 Plumbing Service per 1,107 people, and 1 Plumbing Service per 3 square miles.
In Missouri, Jefferson County is ranked 10th of 115 counties in Plumbing Services per capita, and 5th of 115 counties in Plumbing Services per square mile.