About This Place
Clayton is an unincorporated community in Stevens County, Washington, United States. Clayton is located along U.S. Route 395 4.5 miles (7.2 km) northwest of Deer Park. Clayton has a post office with ZIP code 99110.
Clayton was founded in 1889 and was named for nearby clay deposits. Clayton was listed as a census-designated place for the 2010 census and has a population of 443.
It was the birthplace of the hollywood writer Robert Carson, and the residence of artist Leno Prestini.