RANKING · 2020 CENSUS · 72 SHOWN OF 72

Most foreign-born residents, Wisconsin counties · 2020

Wisconsin counties ranked by the share of residents born outside the US (2023 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

WisconsinAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Youngest by median age Highest uninsured rate Most women Most men Highest disability rate

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2000

01Milwaukee County, WIWI924,2169.3%–

02Dane County, WIWI590,3758.5%–

03Kenosha County, WIWI168,4487.3%–

04Sheboygan County, WIWI118,0475.9%–

05Brown County, WIWI275,8035.8%–

06Walworth County, WIWI106,1275.7%–

07Ozaukee County, WIWI94,3465.3%–

08Waukesha County, WIWI417,2105.3%–

09Racine County, WIWI198,9194.9%–

10Rock County, WIWI166,4724.5%–

11Trempealeau County, WIWI31,1714.0%–

12Portage County, WIWI71,9434.0%–

13Marathon County, WIWI139,4323.8%–

14Outagamie County, WIWI195,8943.7%–

15Eau Claire County, WIWI109,0333.6%–

16Winnebago County, WIWI174,2183.5%–

17Door County, WIWI30,6163.3%–

18Fond du Lac County, WIWI104,6693.3%–

19Sauk County, WIWI66,6523.2%–

20Jefferson County, WIWI86,5053.2%–

21La Crosse County, WIWI121,3393.1%–

22Dunn County, WIWI46,2232.9%–

23Adams County, WIWI21,7522.9%–

24Manitowoc County, WIWI81,7102.9%–

25Calumet County, WIWI53,9822.6%–

26Columbia County, WIWI58,1322.6%–

27St. Croix County, WIWI98,2762.6%–

28Monroe County, WIWI46,5722.5%–

29Washington County, WIWI139,2382.5%–

30Clark County, WIWI35,0522.5%–

31Waushara County, WIWI25,2232.5%–

32Douglas County, WIWI43,9902.4%–

33Barron County, WIWI46,4842.4%–

34Lafayette County, WIWI17,4782.4%–

35Wood County, WIWI74,0602.4%–

36Juneau County, WIWI26,6492.4%–

37Kewaunee County, WIWI20,7582.4%–

38Green County, WIWI37,2272.2%–

39Richland County, WIWI17,0362.2%–

40Dodge County, WIWI89,0972.1%–

41Waupaca County, WIWI51,4612.0%–

42Green Lake County, WIWI19,3052.0%–

43Jackson County, WIWI20,9991.9%–

44Price County, WIWI13,9881.9%–

45Pierce County, WIWI43,5191.9%–

46Marquette County, WIWI15,9271.8%–

47Grant County, WIWI52,4461.7%–

48Iowa County, WIWI23,9511.6%–

49Sawyer County, WIWI18,8461.6%–

50Crawford County, WIWI15,9101.6%–

51Langlade County, WIWI19,5341.6%–

52Buffalo County, WIWI13,3181.5%–

53Chippewa County, WIWI67,6141.5%–

54Taylor County, WIWI20,1181.5%–

55Pepin County, WIWI7,5131.4%–

56Marinette County, WIWI42,5741.4%–

57Burnett County, WIWI17,2231.4%–

58Vilas County, WIWI23,7611.4%–

59Vernon County, WIWI31,4431.3%–

60Polk County, WIWI45,8031.3%–

61Shawano County, WIWI41,5601.3%–

62Oneida County, WIWI38,1311.2%–

63Rusk County, WIWI14,1461.2%–

64Ashland County, WIWI16,2031.2%–

65Bayfield County, WIWI16,7871.2%–

66Washburn County, WIWI17,0871.2%–

67Iron County, WIWI6,1271.1%–

68Lincoln County, WIWI28,4030.9%–

69Oconto County, WIWI40,1950.9%–

70Forest County, WIWI9,5740.8%–

71Menominee County, WIWI4,1990.2%–

72Florence County, WIWI4,7480.2%–

SHOWING 1–72 OF 72

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES