RANKING · 1990 CENSUS · 39 SHOWN OF 39

Newest housing stock, Washington counties · 1990

Washington counties ranked by median year housing was built (1990 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide. The median across all 39 is 1968.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01San Juan County, WAWA18,5771975–

02Mason County, WAWA71,1651974–

03Snohomish County, WAWA870,6561974–

04Thurston County, WAWA304,2611974–

05Clark County, WAWA532,1191973–

06Ferry County, WAWA7,5171973–

07Island County, WAWA85,6571973–

08Jefferson County, WAWA33,9701973–

09Clallam County, WAWA78,2021972–

10Kitsap County, WAWA283,3741972–

11Skamania County, WAWA12,6691972–

12Stevens County, WAWA49,6681972–

13Benton County, WAWA221,7221971–

14Pend Oreille County, WAWA14,4571971–

15Whatcom County, WAWA236,3921970–

16Okanogan County, WAWA45,2301970–

17Douglas County, WAWA46,4731969–

18Pierce County, WAWA946,2881969–

19Pacific County, WAWA24,3571968–

20Skagit County, WAWA132,9751968–

21Franklin County, WAWA102,6121967–

22Grant County, WAWA105,7271967–

23King County, WAWA2,344,9391966–

24Klickitat County, WAWA24,3311966–

25Adams County, WAWA21,4881965–

26Kittitas County, WAWA48,8031965–

27Lewis County, WAWA88,0621965–

28Asotin County, WAWA22,5451964–

29Chelan County, WAWA81,9411964–

30Yakima County, WAWA259,1851963–

31Cowlitz County, WAWA114,8851962–

32Grays Harbor County, WAWA78,1441962–

33Whitman County, WAWA48,5121961–

34Spokane County, WAWA558,3441960–

35Walla Walla County, WAWA62,3611956–

36Wahkiakum County, WAWA4,8731954–

37Lincoln County, WAWA11,9821950–

38Columbia County, WAWA4,1411949–

39Garfield County, WAWA2,4161941–

SHOWING 1–39 OF 39

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS