RANKING · 2024 ACS · 39 SHOWN OF 39

Highest Mexican population share, Washington counties

Washington counties ranked by the share of all residents who are Mexican origin (2023 American Community Survey). A concentration measure: Mexican residents as a percentage of total population. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2000

01Adams County, WAWA21,48860.8%–

02Franklin County, WAWA102,61250.3%–

03Yakima County, WAWA259,18548.8%–

04Grant County, WAWA105,72739.6%–

05Douglas County, WAWA46,47332.0%–

06Chelan County, WAWA81,94125.8%–

07Benton County, WAWA221,72222.3%–

08Okanogan County, WAWA45,23020.2%–

09Walla Walla County, WAWA62,36119.2%–

10Skagit County, WAWA132,97516.4%–

11Klickitat County, WAWA24,33110.7%–

12Clark County, WAWA532,1199.6%–

13Lewis County, WAWA88,0628.7%–

14Pierce County, WAWA946,2888.6%–

15Kittitas County, WAWA48,8038.5%–

16Snohomish County, WAWA870,6568.4%–

17Grays Harbor County, WAWA78,1448.4%–

18Pacific County, WAWA24,3578.2%–

19Cowlitz County, WAWA114,8858.0%–

20Whatcom County, WAWA236,3927.4%–

21King County, WAWA2,344,9397.1%–

22Columbia County, WAWA4,1416.4%–

23Mason County, WAWA71,1656.3%–

24Thurston County, WAWA304,2616.2%–

25Island County, WAWA85,6576.1%–

26Skamania County, WAWA12,6695.7%–

27Kitsap County, WAWA283,3745.7%–

28Whitman County, WAWA48,5125.4%–

29San Juan County, WAWA18,5775.0%–

30Spokane County, WAWA558,3444.9%–

31Clallam County, WAWA78,2024.9%–

32Garfield County, WAWA2,4164.3%–

33Pend Oreille County, WAWA14,4572.9%–

34Asotin County, WAWA22,5452.9%–

35Ferry County, WAWA7,5172.7%–

36Stevens County, WAWA49,6682.7%–

37Jefferson County, WAWA33,9702.5%–

38Lincoln County, WAWA11,9822.3%–

39Wahkiakum County, WAWA4,8732.2%–

SHOWING 1–39 OF 39

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