RANKING · 2024 ACS · 39 SHOWN OF 39

Largest Mexican population, Washington counties

Washington counties ranked by the number of residents who are Mexican origin, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2000

01King County, WAWA2,344,939161,863–

02Yakima County, WAWA259,185125,522–

03Pierce County, WAWA946,28880,345–

04Snohomish County, WAWA870,65671,346–

05Franklin County, WAWA102,61249,791–

06Clark County, WAWA532,11949,407–

07Benton County, WAWA221,72247,560–

08Grant County, WAWA105,72740,281–

09Spokane County, WAWA558,34426,766–

10Skagit County, WAWA132,97521,503–

11Chelan County, WAWA81,94120,701–

12Thurston County, WAWA304,26118,591–

13Whatcom County, WAWA236,39216,974–

14Kitsap County, WAWA283,37415,707–

15Douglas County, WAWA46,47314,191–

16Adams County, WAWA21,48812,637–

17Walla Walla County, WAWA62,36111,955–

18Cowlitz County, WAWA114,8858,991–

19Okanogan County, WAWA45,2308,782–

20Lewis County, WAWA88,0627,402–

21Grays Harbor County, WAWA78,1446,461–

22Island County, WAWA85,6575,337–

23Mason County, WAWA71,1654,307–

24Kittitas County, WAWA48,8034,008–

25Clallam County, WAWA78,2023,785–

26Whitman County, WAWA48,5122,542–

27Klickitat County, WAWA24,3312,503–

28Pacific County, WAWA24,3571,973–

29Stevens County, WAWA49,6681,279–

30San Juan County, WAWA18,577931–

31Jefferson County, WAWA33,970847–

32Skamania County, WAWA12,669702–

33Asotin County, WAWA22,545661–

34Pend Oreille County, WAWA14,457414–

35Lincoln County, WAWA11,982264–

36Columbia County, WAWA4,141258–

37Ferry County, WAWA7,517202–

38Wahkiakum County, WAWA4,873102–

39Garfield County, WAWA2,416102–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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