RANKING · 2000 CENSUS · 39 SHOWN OF 39

Fastest shrinking, Washington counties · 2000

Washington counties with the steepest population decline since the prior decennial census. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

Flip the list · Fastest growing, US counties →

WashingtonAll states All rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Columbia County, WAWA4,141+1.0%+0%

02Grays Harbor County, WAWA78,144+4.7%+0%

03Whitman County, WAWA48,512+5.1%+0%

04Garfield County, WAWA2,416+6.6%+0%

05Pacific County, WAWA24,357+11.1%+0%

06Cowlitz County, WAWA114,885+13.2%+0%

07Walla Walla County, WAWA62,361+13.9%+0%

08Clallam County, WAWA78,202+14.3%+0%

09Lincoln County, WAWA11,982+14.9%+0%

10Wahkiakum County, WAWA4,873+14.9%+0%

11King County, WAWA2,344,939+15.2%+0%

12Klickitat County, WAWA24,331+15.3%+0%

13Ferry County, WAWA7,517+15.3%+0%

14Lewis County, WAWA88,062+15.6%+0%

15Spokane County, WAWA558,344+15.7%+0%

16Asotin County, WAWA22,545+16.7%+0%

17Yakima County, WAWA259,185+17.9%+0%

18Okanogan County, WAWA45,230+18.6%+0%

19Island County, WAWA85,657+18.9%+0%

20Skamania County, WAWA12,669+19.1%+0%

21Pierce County, WAWA946,288+19.6%+0%

22Adams County, WAWA21,488+20.8%+0%

23Kitsap County, WAWA283,374+22.3%+0%

24Douglas County, WAWA46,473+24.4%+0%

25Kittitas County, WAWA48,803+24.8%+0%

26Benton County, WAWA221,722+26.6%+0%

27Chelan County, WAWA81,941+27.5%+0%

28Thurston County, WAWA304,261+28.6%+0%

29Jefferson County, WAWA33,970+28.8%+0%

30Mason County, WAWA71,165+28.9%+0%

31Skagit County, WAWA132,975+29.4%+0%

32Stevens County, WAWA49,668+29.5%+0%

33Snohomish County, WAWA870,656+30.1%+0%

34Whatcom County, WAWA236,392+30.5%+0%

35Pend Oreille County, WAWA14,457+31.6%+0%

36Franklin County, WAWA102,612+31.7%+0%

37Grant County, WAWA105,727+36.4%+0%

38San Juan County, WAWA18,577+40.3%+0%

39Clark County, WAWA532,119+45.0%+0%

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES