There are 302 Plumbing Services in St. Charles County, Missouri, serving a population of 385,115 people in an area of 561 square miles. There is 1 Plumbing Service per 1,275 people, and 1 Plumbing Service per 1 square miles.
In Missouri, St. Charles County is ranked 21st of 115 counties in Plumbing Services per capita, and 3rd of 115 counties in Plumbing Services per square mile.