There are 704 Plumbing Services in Snohomish County, Washington, serving a population of 771,904 people in an area of 2,087 square miles. There is 1 Plumbing Service per 1,096 people, and 1 Plumbing Service per 2 square miles.
In Washington, Snohomish County is ranked 7th of 39 counties in Plumbing Services per capita, and 5th of 39 counties in Plumbing Services per square mile.