Population Non-Hispanic White % by Zip Code (ZCTA5) — Washington

NOTE: Gray indicates insufficient data or a suppressed estimate.

The highest concentrations of non-Hispanic white residents (90–100%) cluster in rural eastern Washington zip codes, particularly in the northeastern corner and parts of the Palouse region, as well as in several rural western Washington zip codes along the coast and in the Cascade foothills. Sharp demographic contrasts emerge in the Yakima Valley and south-central Washington, where several zip codes drop below 20–40% non-Hispanic white, reflecting the region's large Hispanic agricultural communities, with similarly low percentages visible in parts of the Colville Reservation area in the north-central portion of the state. The greater Seattle-Tacoma metropolitan area displays a mosaic pattern, with suburban and exurban zip codes generally ranging 60–80% while specific urban cores in south King County and parts of Pierce County fall notably lower, indicating higher racial and ethnic diversity.

Data: U.S. Census Bureau, 2023 ACS

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