RANKING · 2020 CENSUS · 39 SHOWN OF 39

Highest Mexican population share, Washington counties · 2020

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.

WashingtonAll states All rankings

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, WAWA21,48860.9%–

02Franklin County, WAWA102,61249.0%–

03Yakima County, WAWA259,18547.6%–

04Grant County, WAWA105,72739.7%–

05Douglas County, WAWA46,47329.7%–

06Chelan County, WAWA81,94124.5%–

07Benton County, WAWA221,72220.3%–

08Walla Walla County, WAWA62,36118.4%–

09Okanogan County, WAWA45,23018.2%–

10Skagit County, WAWA132,97516.5%–

11Klickitat County, WAWA24,33110.5%–

12Lewis County, WAWA88,0628.9%–

13Pacific County, WAWA24,3578.5%–

14Columbia County, WAWA4,1418.1%–

15Clark County, WAWA532,1197.9%–

16Pierce County, WAWA946,2887.9%–

17Cowlitz County, WAWA114,8857.5%–

18Snohomish County, WAWA870,6567.4%–

19Kittitas County, WAWA48,8037.3%–

20Whatcom County, WAWA236,3927.2%–

21Grays Harbor County, WAWA78,1447.1%–

22King County, WAWA2,344,9396.7%–

23Skamania County, WAWA12,6696.1%–

24Island County, WAWA85,6575.9%–

25Thurston County, WAWA304,2615.9%–

26Mason County, WAWA71,1655.3%–

27Kitsap County, WAWA283,3745.2%–

28Clallam County, WAWA78,2024.8%–

29San Juan County, WAWA18,5774.7%–

30Whitman County, WAWA48,5124.3%–

31Spokane County, WAWA558,3444.2%–

32Asotin County, WAWA22,5453.5%–

33Stevens County, WAWA49,6682.8%–

34Lincoln County, WAWA11,9822.7%–

35Jefferson County, WAWA33,9702.5%–

36Wahkiakum County, WAWA4,8732.2%–

37Pend Oreille County, WAWA14,4572.1%–

38Ferry County, WAWA7,5171.9%–

39Garfield County, WAWA2,4161.2%–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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