RANKING · 2020 CENSUS · 63 SHOWN OF 63

Largest South American population, Wisconsin counties · 2020

Wisconsin 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 63 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 63 is 35.

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 POPULATIONVS 2010

01Dane County, WIWI590,3755,240+66%

02Milwaukee County, WIWI924,2163,038−3%

03Waukesha County, WIWI417,2101,230+152%

04Kenosha County, WIWI168,448866+140%

05Racine County, WIWI198,919633+70%

06Rock County, WIWI166,472614+234%

07Fond du Lac County, WIWI104,669448+335%

08Outagamie County, WIWI195,894400+160%

09Brown County, WIWI275,803323+35%

10La Crosse County, WIWI121,339300+582%

11Winnebago County, WIWI174,218279−27%

12Jefferson County, WIWI86,505262+435%

13Sheboygan County, WIWI118,047205+632%

14Marathon County, WIWI139,432197+174%

15Sauk County, WIWI66,652190−16%

16Washington County, WIWI139,238187+23%

17Walworth County, WIWI106,127187−5%

18St. Croix County, WIWI98,276154−19%

19Ozaukee County, WIWI94,346127+20%

20Dunn County, WIWI46,223113+169%

21Monroe County, WIWI46,572112+348%

22Green County, WIWI37,227106+36%

23Manitowoc County, WIWI81,71077+15%

24Calumet County, WIWI53,98273+1725%

25Portage County, WIWI71,94371+31%

26Dodge County, WIWI89,09764−6%

27Eau Claire County, WIWI109,03361+39%

28Douglas County, WIWI43,99051–

29Oneida County, WIWI38,13146−45%

30Chippewa County, WIWI67,61442+4100%

31Polk County, WIWI45,80339+200%

32Waupaca County, WIWI51,46135+775%

33Juneau County, WIWI26,64934−17%

34Columbia County, WIWI58,13230−35%

35Wood County, WIWI74,06028−46%

36Grant County, WIWI52,44628+65%

37Pierce County, WIWI43,51924+700%

38Vernon County, WIWI31,44324+100%

39Oconto County, WIWI40,19522+22%

40Shawano County, WIWI41,56021+2000%

41Forest County, WIWI9,57420–

42Burnett County, WIWI17,22319−14%

43Richland County, WIWI17,03619–

44Buffalo County, WIWI13,31819+1800%

45Ashland County, WIWI16,20318+80%

46Lincoln County, WIWI28,40317–

47Kewaunee County, WIWI20,75815−12%

48Bayfield County, WIWI16,78711+57%

49Sawyer County, WIWI18,8469+800%

50Marinette County, WIWI42,5749−78%

51Vilas County, WIWI23,7619–

52Clark County, WIWI35,0527−30%

53Lafayette County, WIWI17,4787−53%

54Langlade County, WIWI19,5347–

55Marquette County, WIWI15,9277–

56Jackson County, WIWI20,9996−25%

57Barron County, WIWI46,4845−96%

58Waushara County, WIWI25,2235−17%

59Iron County, WIWI6,1273–

60Trempealeau County, WIWI31,1713−57%

61Washburn County, WIWI17,0873–

62Taylor County, WIWI20,1182−33%

63Door County, WIWI30,6162−60%

SHOWING 1–63 OF 63

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS