RANKING · 2020 CENSUS · 71 SHOWN OF 71

Largest Scotch-Irish population, Wisconsin counties · 2020

Wisconsin counties ranked by the number of residents who are Scotch-Irish ancestry, 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 71 counties in Wisconsin that qualify, ranked against each other statewide.

Scotch-Irish Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010

01Dane County, WIWI590,3753,838−35%

02Milwaukee County, WIWI924,2162,604−51%

03Waukesha County, WIWI417,2101,919−47%

04Rock County, WIWI166,472816−54%

05Kenosha County, WIWI168,448765−43%

06Brown County, WIWI275,803750−64%

07Winnebago County, WIWI174,218723−42%

08Racine County, WIWI198,919710−56%

09La Crosse County, WIWI121,339611−38%

10Walworth County, WIWI106,127549−64%

11St. Croix County, WIWI98,276500−30%

12Sheboygan County, WIWI118,047419−45%

13Jefferson County, WIWI86,505414−55%

14Marathon County, WIWI139,432411−48%

15Washington County, WIWI139,238371−57%

16Manitowoc County, WIWI81,710362−19%

17Douglas County, WIWI43,990326−56%

18Wood County, WIWI74,060297−40%

19Sauk County, WIWI66,652292−41%

20Columbia County, WIWI58,132278−51%

21Eau Claire County, WIWI109,033277−68%

22Portage County, WIWI71,943276−59%

23Outagamie County, WIWI195,894269−71%

24Fond du Lac County, WIWI104,669258−64%

25Chippewa County, WIWI67,614252−50%

26Ozaukee County, WIWI94,346246−76%

27Dunn County, WIWI46,223239−26%

28Vernon County, WIWI31,443230−18%

29Langlade County, WIWI19,534226+37%

30Door County, WIWI30,616208−15%

31Dodge County, WIWI89,097199−74%

32Monroe County, WIWI46,572182−59%

33Grant County, WIWI52,446171−59%

34Oneida County, WIWI38,131171−71%

35Barron County, WIWI46,484167−59%

36Polk County, WIWI45,803162−69%

37Waupaca County, WIWI51,461150−67%

38Richland County, WIWI17,036147−26%

39Pierce County, WIWI43,519141−47%

40Burnett County, WIWI17,223139−5%

41Jackson County, WIWI20,999134+29%

42Shawano County, WIWI41,560130−35%

43Ashland County, WIWI16,203123−35%

44Vilas County, WIWI23,761122−43%

45Lincoln County, WIWI28,403120−64%

46Washburn County, WIWI17,087120−44%

47Green County, WIWI37,227115−72%

48Juneau County, WIWI26,649109−66%

49Oconto County, WIWI40,195108−58%

50Marinette County, WIWI42,574107−69%

51Iowa County, WIWI23,951107−43%

52Adams County, WIWI21,752105−59%

53Bayfield County, WIWI16,787105−61%

54Calumet County, WIWI53,982103−61%

55Crawford County, WIWI15,91093−42%

56Price County, WIWI13,98888−41%

57Rusk County, WIWI14,14685−38%

58Waushara County, WIWI25,22383−47%

59Clark County, WIWI35,05279−38%

60Marquette County, WIWI15,92773−60%

61Sawyer County, WIWI18,84668−57%

62Green Lake County, WIWI19,30565−62%

63Forest County, WIWI9,57449−40%

64Trempealeau County, WIWI31,17149−80%

65Taylor County, WIWI20,11848−71%

66Lafayette County, WIWI17,47846−77%

67Buffalo County, WIWI13,31840−48%

68Kewaunee County, WIWI20,75831−74%

69Iron County, WIWI6,12730−33%

70Pepin County, WIWI7,51321−67%

71Florence County, WIWI4,7488−90%

SHOWING 1–71 OF 71

Download CSV (full list, 71 rows)

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