10 Highest Income ZIP Codes in Washington
The top ZIP code for median household income in Washington is 98164 (Seattle, King County), with a median household income of $250,001. Across the top 10 highest income ZIP codes in Washington, median household income ranges from $250,001 to $175,242, covering communities from Seattle to Seattle.
Ranked list
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Methodology
Rankings are derived from the U.S. Census Bureau American Community Survey 5-Year Estimates, vintage 2019 to 2023, joined to USPS ZIP Code Tabulation Areas. We rank by median household income and surface the top 10 ZIP codes within Washington. Values reflect ZCTA-level estimates and may differ slightly from city-level figures. Compiled and reviewed by the Zip Code Near Me Data Team.
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Reviewed by Zip Code Near Me Data Team. Last verified June 13, 2026.