RANKING · 2024 ACS · 71 SHOWN OF 71

Largest Scotch-Irish population, Wisconsin counties

Wisconsin counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2024 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. The median across all 71 is 148. Biggest climber in the top 100 since 2020: Marquette County, WI, up 18 places to #42.

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WisconsinAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010

01Dane County, WIWI590,3752,837−52%

02Milwaukee County, WIWI924,2162,548−52%

03Waukesha County, WIWI417,2101,443−60%

04▲1Kenosha County, WIWI168,448778−42%

05▼1Rock County, WIWI166,472739−58%

06▲1Winnebago County, WIWI174,218586−53%

07▲16Outagamie County, WIWI195,894548−41%

08▲1La Crosse County, WIWI121,339487−51%

09▼3Brown County, WIWI275,803483−77%

10Walworth County, WIWI106,127430−72%

11▲3Marathon County, WIWI139,432421−46%

12▼1St. Croix County, WIWI98,276407−43%

13▼5Racine County, WIWI198,919400−75%

14▲7Eau Claire County, WIWI109,033382−56%

15▲9Fond du Lac County, WIWI104,669363−49%

16▲10Ozaukee County, WIWI94,346345−67%

17▼4Jefferson County, WIWI86,505332−64%

18▲13Dodge County, WIWI89,097331−57%

19▼7Sheboygan County, WIWI118,047281−63%

20▼3Douglas County, WIWI43,990281−62%

21▲14Barron County, WIWI46,484263−36%

22▼2Columbia County, WIWI58,132262−54%

23▼4Sauk County, WIWI66,652249−49%

24▲9Grant County, WIWI52,446243−42%

25▲7Monroe County, WIWI46,572237−47%

26▼11Washington County, WIWI139,238228−74%

27▲15Shawano County, WIWI41,560222+12%

28▼6Portage County, WIWI71,943217−67%

29▼11Wood County, WIWI74,060216−56%

30▲8Richland County, WIWI17,036195−2%

31▼3Vernon County, WIWI31,443195−30%

32▼16Manitowoc County, WIWI81,710192−57%

33▼8Chippewa County, WIWI67,614189−63%

34Oneida County, WIWI38,131181−70%

35▲12Green County, WIWI37,227173−59%

36▼6Door County, WIWI30,616148−40%

37▲2Pierce County, WIWI43,519133−50%

38▲10Juneau County, WIWI26,649128−60%

39▼10Langlade County, WIWI19,534124−25%

40▲14Calumet County, WIWI53,982117−56%

41▼5Polk County, WIWI45,803112−78%

42▲18Marquette County, WIWI15,92797−47%

43▲16Clark County, WIWI35,05293−27%

44Vilas County, WIWI23,76193−57%

45▲7Adams County, WIWI21,75283−68%

46▲9Crawford County, WIWI15,91080−50%

47▼7Burnett County, WIWI17,22378−47%

48▼21Dunn County, WIWI46,22378−76%

49▲4Bayfield County, WIWI16,78776−72%

50▲8Waushara County, WIWI25,22371−55%

51▼2Oconto County, WIWI40,19570−73%

52▲16Kewaunee County, WIWI20,75867−43%

53▼3Iowa County, WIWI23,95166−65%

54▼9Lincoln County, WIWI28,40365−81%

55▼18Waupaca County, WIWI51,46165−86%

56▲8Trempealeau County, WIWI31,17163−75%

57▼6Marinette County, WIWI42,57459−83%

58▼1Rusk County, WIWI14,14657−58%

59▼13Washburn County, WIWI17,08757−73%

60▼17Ashland County, WIWI16,20355−71%

61Sawyer County, WIWI18,84648−70%

62▲4Lafayette County, WIWI17,47846−77%

63▼7Price County, WIWI13,98846−69%

64▲1Taylor County, WIWI20,11842−75%

65▲2Buffalo County, WIWI13,31840−48%

66▼25Jackson County, WIWI20,99940−62%

67▼5Green Lake County, WIWI19,30531−82%

68▲2Pepin County, WIWI7,51320−69%

69▲2Florence County, WIWI4,74817−79%

70▼7Forest County, WIWI9,57414−83%

71▼2Iron County, WIWI6,1279−80%

SHOWING 1–71 OF 71

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES