RANKING · 2020 CENSUS · 92 SHOWN OF 92

Largest Scotch-Irish population, Indiana counties · 2020

Indiana 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 92 counties in Indiana 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

01Marion County, ININ992,1966,895−44%

02Hamilton County, ININ387,0363,066−31%

03Lake County, ININ504,6122,353−50%

04Allen County, ININ402,3292,144−50%

05St. Joseph County, ININ272,8611,923−52%

06Monroe County, ININ143,3451,855−51%

07Vanderburgh County, ININ181,9951,590−42%

08Porter County, ININ176,0491,531−45%

09Johnson County, ININ174,2621,457−40%

10Tippecanoe County, ININ190,4561,363−54%

11Clark County, ININ130,4511,354−19%

12Madison County, ININ135,0881,346−27%

13Hendricks County, ININ193,5101,318−52%

14Vigo County, ININ106,5121,008−42%

15Bartholomew County, ININ85,729978−45%

16Boone County, ININ80,689947+3%

17Floyd County, ININ82,153897−33%

18Elkhart County, ININ208,774894−64%

19LaPorte County, ININ111,294874−25%

20Kosciusko County, ININ80,892830+6%

21Delaware County, ININ113,106770−48%

22Hancock County, ININ90,969704−29%

23Wayne County, ININ66,169672−50%

24Grant County, ININ66,524595−33%

25Jefferson County, ININ33,279573−35%

26Dearborn County, ININ51,609559−22%

27Warrick County, ININ66,803554−34%

28Morgan County, ININ74,967528−59%

29Howard County, ININ83,904512−55%

30Noble County, ININ47,937506−18%

31Lawrence County, ININ45,568500−47%

32Shelby County, ININ45,882481−25%

33Montgomery County, ININ38,954455−33%

34Henry County, ININ49,137445−18%

35Harrison County, ININ40,437429−25%

36Randolph County, ININ24,438410+15%

37Clinton County, ININ33,322398+23%

38Gibson County, ININ33,091389−56%

39Jackson County, ININ47,370385−30%

40Marshall County, ININ46,599342−48%

41Jay County, ININ20,118326+109%

42Huntington County, ININ37,224308−22%

43LaGrange County, ININ41,305283−22%

44Whitley County, ININ35,046275−52%

45Cass County, ININ37,836260−6%

46Knox County, ININ35,652256−56%

47Wabash County, ININ30,713249−45%

48Posey County, ININ24,988243−45%

49Orange County, ININ19,834242−28%

50Jasper County, ININ33,894240−55%

51Decatur County, ININ26,576229−41%

52Tipton County, ININ15,319224−38%

53Vermillion County, ININ15,488221−6%

54Sullivan County, ININ20,831218−50%

55Ripley County, ININ29,434215−44%

56Jennings County, ININ27,622212−53%

57Washington County, ININ28,383212−64%

58Steuben County, ININ34,799210−63%

59DeKalb County, ININ44,535196−60%

60Putnam County, ININ37,876194−80%

61Fountain County, ININ17,013194−56%

62Greene County, ININ31,165192−61%

63Clay County, ININ26,410185−58%

64Rush County, ININ16,767180−23%

65Starke County, ININ23,425180−47%

66Daviess County, ININ34,209176−77%

67Dubois County, ININ44,016170−60%

68White County, ININ25,164148−63%

69Scott County, ININ25,053146−70%

70Pike County, ININ12,003142−35%

71Fayette County, ININ23,533140−64%

72Carroll County, ININ20,655134−50%

73Franklin County, ININ23,286123−38%

74Owen County, ININ21,886123−61%

75Switzerland County, ININ10,037115−67%

76Wells County, ININ28,883114−28%

77Pulaski County, ININ12,463105−37%

78Crawford County, ININ10,509100−43%

79Miami County, ININ34,48799−73%

80Spencer County, ININ20,06199−71%

81Adams County, ININ36,65098−67%

82Fulton County, ININ20,09181−70%

83Parke County, ININ16,64279−64%

84Warren County, ININ8,47478−45%

85Union County, ININ6,86375−45%

86Brown County, ININ15,77774−75%

87Martin County, ININ9,85662−55%

88Perry County, ININ19,38946−77%

89Newton County, ININ14,18838−87%

90Ohio County, ININ5,99430−58%

91Blackford County, ININ11,73025−86%

92Benton County, ININ8,88319−88%

SHOWING 1–92 OF 92

Download CSV (full list, 92 rows)

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