Locations in Washington

Washington has 43 mapped locations — 0.54 per 100,000 residents, ranking it #3 of 51 in the US.

national rank (per capita)

mapped locations

0.54

per 100k residents

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<iframe src="https://get-instamaps.com/embed/rankings/costco/washington" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Washington locations map — InstaMaps"></iframe>

Named locations in Washington include

Costco — Everett, WA · Costco — Tukwila, WA · Costco — Lake Stevens, WA · Costco — Fife, WA · Costco — Burlington, WA · Costco — Kirkland, WA · Costco — Seattle, WA · Costco — Silverdale, WA · Costco — Kennewick, WA · Costco — Woodinville, WA · Costco — Tacoma, WA · Costco — East Wenatchee, WA

Cite this

"Washington has 43 mapped locations — #3 in the US per capita (InstaMaps analysis of OpenStreetMap data, 2026)." Free to quote with a link to this page. Data: OpenStreetMap; population: US Census 2024 estimates.