There are 277 Plumbing Services in Clark County, Washington, serving a population of 457,474 people in an area of 629 square miles. There is 1 Plumbing Service per 1,651 people, and 1 Plumbing Service per 2 square miles.
In Washington, Clark County is ranked 18th of 39 counties in Plumbing Services per capita, and 2nd of 39 counties in Plumbing Services per square mile.