RANKING · 1990 CENSUS · 39 SHOWN OF 39

Most educated, Washington counties · 1990

Washington counties ranked by the share of adults 25+ holding a bachelor's degree or higher (1990 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

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS –

01Whitman County, WAWA48,51242.6%–

02San Juan County, WAWA18,57733.5%–

03King County, WAWA2,344,93932.8%–

04Thurston County, WAWA304,26124.7%–

05Benton County, WAWA221,72223.3%–

06Kittitas County, WAWA48,80322.2%–

07Whatcom County, WAWA236,39222.0%–

08Jefferson County, WAWA33,97021.8%–

09Spokane County, WAWA558,34420.6%–

10Island County, WAWA85,65720.0%–

11Kitsap County, WAWA283,37419.8%–

12Snohomish County, WAWA870,65619.3%–

13Walla Walla County, WAWA62,36118.8%–

14Pierce County, WAWA946,28817.5%–

15Clark County, WAWA532,11916.8%–

16Chelan County, WAWA81,94116.7%–

17Skagit County, WAWA132,97516.3%–

18Clallam County, WAWA78,20216.1%–

19Lincoln County, WAWA11,98216.0%–

20Columbia County, WAWA4,14115.1%–

21Douglas County, WAWA46,47313.8%–

22Garfield County, WAWA2,41613.7%–

23Yakima County, WAWA259,18513.7%–

24Mason County, WAWA71,16513.6%–

25Franklin County, WAWA102,61213.4%–

26Asotin County, WAWA22,54512.4%–

27Adams County, WAWA21,48812.3%–

28Stevens County, WAWA49,66812.1%–

29Okanogan County, WAWA45,23012.0%–

30Ferry County, WAWA7,51712.0%–

31Pend Oreille County, WAWA14,45712.0%–

32Grant County, WAWA105,72711.9%–

33Lewis County, WAWA88,06211.8%–

34Skamania County, WAWA12,66911.7%–

35Pacific County, WAWA24,35711.3%–

36Cowlitz County, WAWA114,88511.3%–

37Grays Harbor County, WAWA78,14411.0%–

38Klickitat County, WAWA24,33110.9%–

39Wahkiakum County, WAWA4,87310.4%–

SHOWING 1–39 OF 39

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS