There are 274 Plumbing Services in Spokane County, Washington, serving a population of 490,764 people in an area of 1,764 square miles. There is 1 Plumbing Service per 1,791 people, and 1 Plumbing Service per 6 square miles.
In Washington, Spokane County is ranked 21st of 39 counties in Plumbing Services per capita, and 9th of 39 counties in Plumbing Services per square mile.