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Thursday, March 5, 2026

๐Ÿ† Top 10 Wealthiest ZIP Codes in Washington (by median household income)

 



Here’s a current snapshot of the wealthiest ZIP codes in the state of Washington (WA), ranked primarily by median household income — a good indicator of relative affluence across areas in the state.


RankZIP CodeAreaApprox. Median Household Income
198164Seattle (Broadmoor/Private enclave)≈ $250,001+
298039Medina (Eastside)≈ $244,740
398075Sammamish (Eastside)≈ $234,261
498074Sammamish (Eastside)≈ $229,104
598314Gig Harbor≈ $204,250
698040Mercer Island (Eastside)≈ $190,985
798006Bellevue (Eastside)≈ $185,991
898065Snoqualmie≈ $175,750
998053Redmond (Eastside)≈ $171,822
1098296Snohomish≈ $171,445

๐Ÿ’ก These ZIP codes are among the highest-earning areas statewide — many clustered around the Seattle-Bellevue-Redmond (“Eastside”) region, known for major tech employers and high housing costs.

Notes:

  • 98164 (Seattle) sits at the top for median income — it’s a small, affluent enclave with very high earnings.

  • 98039 (Medina) — consistently the richest ZIP in Washington and even ranks among the wealthiest nationally based on income and home values.

  • Other high-ranking ZIPs like 98074 and 98075 (Sammamish) reflect strong incomes tied to suburban tech professionals.

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๐Ÿ† Top 10 Wealthiest ZIP Codes in Washington (by median household income)

  Here’s a current snapshot of the wealthiest ZIP codes in the state of Washington (WA) , ranked primarily by median household income — a g...