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The 20 Wealthiest Zip Codes In Washington State: Sammamish, Woodinville, Snoqualmie and more make the list!

Sammamish, Woodinville, Snoqualmie and more make the list!

Looking at this following list there is also a definite correlation between the wealthiest zip codes and the highest housing prices as well. Feel free to use our advanced search function here and check out any of the zip codes yourself!

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Using IRS data, we were able to get a snapshot of how much money people from Washington state earned in 2016, the most recent year they have numbers for. And of the top 20 wealthiest zip codes in the state, all 20 have an average income of more than $130,000.

The average income is calculated as an average of all the tax returns from each zip code.

While zip codes can often cover more than one locale, this (and last) year's two highest slots go to neighborhoods that occupy the entirety of their zip codes -- and they're not exactly surprises: Mercer Island and Medina.

The top 20 wealthiest zip codes in King County by income levels: (Listed in reverse order)

20. 98072

  • Average income: $138,619
  • Contains Woodinville, Maltby, North Creek, Cottage Lake

19. 98065

  • Average income: $140,595
  • Contains: Snoqualmie, Tokul, Ernie's Grove, Junction

18. 98052

  • Average income: $142,982
  • Contains: Redmond, Cottage Lake, Union Hill-Novelty Hill

17. 98005

  • Average income: $150,081
  • Contains: Bellevue

16. 98177

  • Average income: $152,976
  • Contains: Broadview, Carkeek, Spring Beach, Richmond Beach, Innis Arden

15. 98121

  • Average income: $155,170
  • Contains: Belltown

14. 98199

  • Average income: $164,704
  • Contains: Magnolia

13. 98110

  • Average income: $165,694
  • Contains: Bainbridge Island

12. 98006

  • Average income: $169,568
  • Contains: Factoria, Coal Creek

11. 98053

  • Average income: $175,752
  • Contains: Redmond, Union Hill-Novelty Hill, Ames Lake

10. 98101

  • Average income: $178,655
  • Contains: Downtown Seattle

9. 98033

  • Average income: $186,033
  • Contains: Kirkland

8. 98077

  • Average income: $187,672
  • Contains: Cottage Lake, Maltby, Union Hill-Novelty Hill

7. 98074

6. 98075

  • Average income: $211,846
  • Contains: Sammamish

5. 98112

  • Average income: $233,387
  • Contains: Madison Park, Washington Park, Montlake, Capitol Hill, the Arboretum

4. 98164

  • Average income: $240,400
  • Contains: Downtown Seattle

3. 98004

  • Average income: $266,467
  • Contains: Bellevue, Clyde Hill, Beaux Arts Village, Yarrow Point, Hunts Point

2. 98040

  • Average income: $314,433
  • Contains: Mercer Island

1. 98039

  • Average income: $859,379
  • Contains: Medina

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