There are 454 Plumbing Services in St. Louis, Missouri, serving a population of 314,867 people in an area of 62 square miles. There is 1 Plumbing Service per 693 people, and 1 Plumbing Service per square mile.
In Missouri, St. Louis is ranked 4th of 115 counties in Plumbing Services per capita, and 1st of 115 counties in Plumbing Services per square mile.