RANKING · 2024 ACS · 39 SHOWN OF 39

Newest housing stock, Washington counties

Washington counties ranked by median year housing was built (2024 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide. The median across all 39 is 1985. Biggest climber in the top 100 since 2020: Klickitat County, WA, up 11 places to #15.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Franklin County, WAWA102,6121997+2%

02Clark County, WAWA532,1191993+1%

03▲4Kittitas County, WAWA48,8031993+1%

04▲2Island County, WAWA85,6571991+1%

05▼1Thurston County, WAWA304,2611991+1%

06▼1Snohomish County, WAWA870,6561990+1%

07▲2Whatcom County, WAWA236,3921989+1%

08Mason County, WAWA71,1651989+1%

09▲9Douglas County, WAWA46,4731988+1%

10▲1Grant County, WAWA105,7271988+1%

11▼1Jefferson County, WAWA33,9701988+1%

12▼9San Juan County, WAWA18,5771988+1%

13▲4Benton County, WAWA221,7221988+1%

14▼2Kitsap County, WAWA283,3741986+1%

15▲11Klickitat County, WAWA24,3311986+1%

16▼2Pierce County, WAWA946,2881986+1%

17▼2Skagit County, WAWA132,9751986+1%

18▼5Ferry County, WAWA7,5171985+1%

19▲6Pend Oreille County, WAWA14,4571985+1%

20▼4Stevens County, WAWA49,6681985+1%

21▲3Skamania County, WAWA12,6691984+1%

22▲1King County, WAWA2,344,9391983+1%

23▼2Chelan County, WAWA81,9411983+1%

24▼5Okanogan County, WAWA45,2301982+1%

25▼3Clallam County, WAWA78,2021982+1%

26▲2Lewis County, WAWA88,0621980+1%

27▲2Pacific County, WAWA24,3571979+1%

28▼8Wahkiakum County, WAWA4,8731978+1%

29▲1Spokane County, WAWA558,3441978+1%

30▲2Yakima County, WAWA259,1851977+1%

31▼4Whitman County, WAWA48,5121977+1%

32▲1Adams County, WAWA21,4881977+1%

33▲1Cowlitz County, WAWA114,8851976+1%

34▼3Asotin County, WAWA22,5451976+1%

35Grays Harbor County, WAWA78,1441974+1%

36Walla Walla County, WAWA62,3611973+1%

37Lincoln County, WAWA11,9821972+1%

38▲1Garfield County, WAWA2,4161957+1%

39▼1Columbia County, WAWA4,14119530%

SHOWING 1–39 OF 39

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES