RANKING · 2020 CENSUS · 72 SHOWN OF 72

Largest foreign-born population, Wisconsin counties · 2020

Wisconsin counties with the most residents born outside the United States, as of the 2020 American Community Survey. Ranked by number of people, not share. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

WisconsinAll states All rankings

SAME RANKING BYCities States Metros

RELATEDMost residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people Most unmarried men

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

01Milwaukee County, WIWI924,21687,187+7%

02Dane County, WIWI590,37547,991+33%

03Waukesha County, WIWI417,21021,609+26%

04Brown County, WIWI275,80315,703+23%

05Kenosha County, WIWI168,44812,307+19%

06Racine County, WIWI198,9199,670+1%

07Rock County, WIWI166,4727,434+6%

08Outagamie County, WIWI195,8946,983−0%

09Sheboygan County, WIWI118,0476,938+17%

10Winnebago County, WIWI174,2186,060+6%

11Walworth County, WIWI106,1276,029−12%

12Marathon County, WIWI139,4325,232−0%

13Ozaukee County, WIWI94,3464,870+24%

14Eau Claire County, WIWI109,0333,843+38%

15La Crosse County, WIWI121,3393,692−11%

16Washington County, WIWI139,2383,420−1%

17Fond du Lac County, WIWI104,6693,390+15%

18Portage County, WIWI71,9432,795+33%

19Jefferson County, WIWI86,5052,707−24%

20St. Croix County, WIWI98,2762,391+15%

21Manitowoc County, WIWI81,7102,331+2%

22Sauk County, WIWI66,6522,120−11%

23Dodge County, WIWI89,0971,882−15%

24Wood County, WIWI74,0601,757+1%

25Columbia County, WIWI58,1321,508+36%

26Calumet County, WIWI53,9821,385−9%

27Dunn County, WIWI46,2231,334+38%

28Trempealeau County, WIWI31,1711,236+66%

29Monroe County, WIWI46,5721,163+4%

30Barron County, WIWI46,4841,137+38%

31Douglas County, WIWI43,9901,079+89%

32Waupaca County, WIWI51,4611,042+55%

33Chippewa County, WIWI67,6141,001+9%

34Door County, WIWI30,616991+20%

35Grant County, WIWI52,446907+77%

36Clark County, WIWI35,052854+10%

37Green County, WIWI37,227829−13%

38Pierce County, WIWI43,519786+37%

39Juneau County, WIWI26,649631+12%

40Waushara County, WIWI25,223602−2%

41Adams County, WIWI21,752598+8%

42Marinette County, WIWI42,574590−8%

43Polk County, WIWI45,803569−7%

44Shawano County, WIWI41,560514−9%

45Kewaunee County, WIWI20,758485+27%

46Oneida County, WIWI38,131470−13%

47Vernon County, WIWI31,443410−1%

48Jackson County, WIWI20,999409+5%

49Lafayette County, WIWI17,478397+19%

50Richland County, WIWI17,036380+25%

51Iowa County, WIWI23,951380+19%

52Green Lake County, WIWI19,305378+13%

53Oconto County, WIWI40,195359−7%

54Vilas County, WIWI23,761312−20%

55Langlade County, WIWI19,534303+25%

56Taylor County, WIWI20,118297+22%

57Sawyer County, WIWI18,846287+34%

58Marquette County, WIWI15,927276+41%

59Lincoln County, WIWI28,403267+1%

60Price County, WIWI13,988263+74%

61Crawford County, WIWI15,910251+19%

62Burnett County, WIWI17,223232−9%

63Buffalo County, WIWI13,318204+34%

64Ashland County, WIWI16,203193−23%

65Washburn County, WIWI17,087192+14%

66Bayfield County, WIWI16,787191−28%

67Rusk County, WIWI14,146174−7%

68Pepin County, WIWI7,513105+72%

69Forest County, WIWI9,57475+15%

70Iron County, WIWI6,12770−15%

71Menominee County, WIWI4,1999+29%

72Florence County, WIWI4,7487+250%

SHOWING 1–72 OF 72

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