RANKING · 2020 CENSUS · 35 SHOWN OF 35

Largest South American population, Washington counties · 2020

Washington counties ranked by the number of residents who are South American origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 35 counties in Washington that qualify, ranked against each other statewide.

South Americans: full group profile →

WashingtonAll states All rankings

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 POPULATIONVS 2010

01King County, WAWA2,344,93915,528+71%

02Snohomish County, WAWA870,6566,262+153%

03Pierce County, WAWA946,2883,363+51%

04Clark County, WAWA532,1191,977+154%

05Thurston County, WAWA304,2611,193+123%

06Spokane County, WAWA558,3441,150+74%

07Kitsap County, WAWA283,374879+174%

08Whatcom County, WAWA236,392849+131%

09Benton County, WAWA221,722705+61%

10Chelan County, WAWA81,941622+450%

11Yakima County, WAWA259,185506+43%

12Skagit County, WAWA132,975478+176%

13Franklin County, WAWA102,612332+265%

14Walla Walla County, WAWA62,361329+351%

15Whitman County, WAWA48,512274+37%

16Island County, WAWA85,657176+14%

17Wahkiakum County, WAWA4,873152–

18Stevens County, WAWA49,668137+10%

19Clallam County, WAWA78,202123+6%

20Jefferson County, WAWA33,970105+192%

21Grant County, WAWA105,72776−26%

22San Juan County, WAWA18,57768−13%

23Okanogan County, WAWA45,23065+171%

24Kittitas County, WAWA48,80364–

25Adams County, WAWA21,48863−16%

26Klickitat County, WAWA24,33163+85%

27Grays Harbor County, WAWA78,14461+2%

28Lewis County, WAWA88,06261+27%

29Pacific County, WAWA24,35738+153%

30Douglas County, WAWA46,47331+244%

31Mason County, WAWA71,16519−76%

32Ferry County, WAWA7,5176–

33Garfield County, WAWA2,4163–

34Skamania County, WAWA12,6691–

35Pend Oreille County, WAWA14,4571–

SHOWING 1–35 OF 35

Download CSV (full list, 35 rows)

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