Clayton is a community in Stevens County, Washington, home to about 139 people across 1.3 square miles. It has no ZIP code of its own: it’s part of 99110.
Homes sold for a median of $178 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Clayton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Spokane International Airport (GEG)27 miles away |
|---|---|
| Nearest city of 250,000+ | Seattle, WA224 miles away |
Straight-line distances from the center of Clayton; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Clayton had 420 residents in the 2020 census, down 5% since 2010.
It’s the 582nd largest of 628 towns in Washington by population.
Stevens County grew from 10,543 residents in 1900 to 46,445 in 2020.
Stevens County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 21°F. About 22.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Deer Park Ap, WA weather station (6 miles away).
8,423 jobs at 943 businesses in Stevens County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.