RANKING · 1990 CENSUS · 39 SHOWN OF 39

Fewest graduate degrees, Washington counties · 1990

Washington counties with the smallest share of adults 25+ holding a graduate or professional degree (2023 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Klickitat County, WAWA24,3312.4%−54%

02Pacific County, WAWA24,3572.8%−53%

03Garfield County, WAWA2,4163.2%−21%

04Grant County, WAWA105,7273.2%−31%

05Grays Harbor County, WAWA78,1443.2%−32%

06Adams County, WAWA21,4883.3%−11%

07Cowlitz County, WAWA114,8853.4%−30%

08Franklin County, WAWA102,6123.4%−25%

09Lewis County, WAWA88,0623.5%−32%

10Okanogan County, WAWA45,2303.5%−40%

11Douglas County, WAWA46,4733.6%−25%

12Lincoln County, WAWA11,9823.6%−23%

13Stevens County, WAWA49,6683.7%−31%

14Mason County, WAWA71,1653.7%−25%

15Wahkiakum County, WAWA4,8733.7%−28%

16Pend Oreille County, WAWA14,4573.9%−15%

17Asotin County, WAWA22,5454.1%−42%

18Yakima County, WAWA259,1854.2%−24%

19Skamania County, WAWA12,6694.2%−18%

20Ferry County, WAWA7,5174.2%−7%

21Columbia County, WAWA4,1414.3%−22%

22Skagit County, WAWA132,9754.8%−31%

23Chelan County, WAWA81,9414.8%−35%

24Snohomish County, WAWA870,6565.1%−26%

25Clark County, WAWA532,1195.3%−30%

26Clallam County, WAWA78,2025.4%−32%

27Pierce County, WAWA946,2885.5%−21%

28Island County, WAWA85,6575.6%−32%

29Kitsap County, WAWA283,3746.0%−28%

30Walla Walla County, WAWA62,3616.1%−30%

31Jefferson County, WAWA33,9706.2%−41%

32Spokane County, WAWA558,3446.6%−24%

33Whatcom County, WAWA236,3926.8%−23%

34Kittitas County, WAWA48,8037.1%−24%

35Benton County, WAWA221,7227.8%−21%

36Thurston County, WAWA304,2618.6%−22%

37King County, WAWA2,344,93910.0%−25%

38San Juan County, WAWA18,57711.3%−26%

39Whitman County, WAWA48,51220.4%+3%

SHOWING 1–39 OF 39

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