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About this map

Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
38.9
Washington
38.3
Rankings
Full list

Top and bottom zip codes in Washington

Zip codes with 1,000+ residents

Oldest zip codes (highest median age)

See all
  1. 198253Greenbank66.3
  2. 298340Hansville66.2
  3. 398365Port Ludlow65.1
  4. 498592Union64.7
  5. 598569Ocean Shores63.7
  6. 698260Langley63.3
  7. 798640Ocean Park63.1
  8. 899181Valley62.8
  9. 998320Brinnon62.7
  10. 1098358Nordland62.5

Youngest zip codes (lowest median age)

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  1. 198195Seattle19.3
  2. 298314Bremerton21.8
  3. 398278Oak Harbor22
  4. 498315Silverdale22
  5. 599321Beverly22.5
  6. 699011Fairchild Air Force Base22.6
  7. 798433Tacoma23
  8. 899163Pullman23.4
  9. 999343Mesa24
  10. 1098932Granger24.2

Median age by county in Washington

  1. 1Jefferson County59.8
  2. 2San Juan County57
  3. 3Pacific County55
  4. 4Wahkiakum County54.5
  5. 5Ferry County52.9
  6. 6Clallam County52.1
  7. 7Pend Oreille County49.8
  8. 8Columbia County49.6
  9. 9Skamania County48.5
  10. 10Garfield County47.8
  11. 11Lincoln County46.9
  12. 12Stevens County46.9
  13. 13Klickitat County46.8
  14. 14Asotin County46.2
  15. 15Island County44.8
  16. 16Grays Harbor County44.7
  17. 17Mason County44.7
  18. 18Okanogan County43.2
  19. 19Lewis County42.2
  20. 20Skagit County42.1
  21. 21Cowlitz County41.5
  22. 22Chelan County40.4
  23. 23Kitsap County40.2
  24. 24Thurston County40
  25. 25Clark County39.1
  26. 26Douglas County38.9
  27. 27Snohomish County38.6
  28. 28Spokane County38.5
  29. 29Walla Walla County38.5
  30. 30Whatcom County38.4
  31. 31King County37.4
  32. 32Pierce County37
  33. 33Benton County36.3
  34. 34Kittitas County35.8
  35. 35Grant County33.7
  36. 36Yakima County33.3
  37. 37Franklin County30.9
  38. 38Adams County29.3
  39. 39Whitman County26.4

Questions about this map

Which zip code has the highest median age in Washington?

Among zip codes with at least 1,000 residents, 98253 (Greenbank, WA) has the highest: 66.3.

Which zip code has the lowest median age in Washington?

98195 (Seattle, WA) has the lowest: 19.3.

What is the median age for the United States?

38.9; in Washington it is 38.3.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s.

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