RANKING · 2024 ACS · 37 SHOWN OF 37

Highest South American population share, Washington counties

Washington counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 37 counties in Washington that qualify, ranked against each other statewide.

South Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

01Columbia County, WAWA4,1411.4%–

02Snohomish County, WAWA870,6561.1%+0.8 pts

03King County, WAWA2,344,9391.0%+0.5 pts

04Whitman County, WAWA48,5120.8%+0.3 pts

05Chelan County, WAWA81,9410.6%+0.4 pts

06Kitsap County, WAWA283,3740.5%+0.4 pts

07Pierce County, WAWA946,2880.5%+0.2 pts

08Lewis County, WAWA88,0620.5%+0.4 pts

09Thurston County, WAWA304,2610.5%+0.3 pts

10Whatcom County, WAWA236,3920.5%+0.3 pts

11Walla Walla County, WAWA62,3610.5%+0.3 pts

12Island County, WAWA85,6570.4%+0.2 pts

13Benton County, WAWA221,7220.4%+0.2 pts

14Lincoln County, WAWA11,9820.4%–

15Clark County, WAWA532,1190.4%+0.2 pts

16Mason County, WAWA71,1650.4%+0.3 pts

17Skagit County, WAWA132,9750.4%+0.2 pts

18San Juan County, WAWA18,5770.4%−0.1 pts

19Jefferson County, WAWA33,9700.3%+0.2 pts

20Garfield County, WAWA2,4160.3%–

21Kittitas County, WAWA48,8030.3%–

22Cowlitz County, WAWA114,8850.3%+0.1 pts

23Spokane County, WAWA558,3440.3%+0.1 pts

24Adams County, WAWA21,4880.3%−0.2 pts

25Clallam County, WAWA78,2020.2%+0.1 pts

26Grant County, WAWA105,7270.2%+0.1 pts

27Skamania County, WAWA12,6690.2%–

28Klickitat County, WAWA24,3310.2%+0.0 pts

29Franklin County, WAWA102,6120.2%+0.1 pts

30Yakima County, WAWA259,1850.2%+0.0 pts

31Asotin County, WAWA22,5450.1%−0.1 pts

32Pend Oreille County, WAWA14,4570.1%–

33Stevens County, WAWA49,6680.1%−0.2 pts

34Okanogan County, WAWA45,2300.0%−0.0 pts

35Grays Harbor County, WAWA78,1440.0%−0.0 pts

36Douglas County, WAWA46,4730.0%+0.0 pts

37Ferry County, WAWA7,5170.0%–

SHOWING 1–37 OF 37

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES