RANKING · 2020 CENSUS · 92 SHOWN OF 92

Highest Scotch-Irish population share, Indiana counties · 2020

Indiana counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 92 counties in Indiana that qualify, ranked against each other statewide.

IndianaAll states All rankings

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 SHAREVS 2000

01Jefferson County, ININ33,2791.8%–

02Randolph County, ININ24,4381.7%–

03Jay County, ININ20,1181.6%–

04Tipton County, ININ15,3191.5%–

05Vermillion County, ININ15,4881.4%–

06Boone County, ININ80,6891.4%–

07Monroe County, ININ143,3451.3%–

08Orange County, ININ19,8341.2%–

09Clinton County, ININ33,3221.2%–

10Montgomery County, ININ38,9541.2%–

11Fountain County, ININ17,0131.2%–

12Bartholomew County, ININ85,7291.2%–

13Gibson County, ININ33,0911.2%–

14Clark County, ININ130,4511.2%–

15Floyd County, ININ82,1531.2%–

16Pike County, ININ12,0031.1%–

17Dearborn County, ININ51,6091.1%–

18Lawrence County, ININ45,5681.1%–

19Rush County, ININ16,7671.1%–

20Shelby County, ININ45,8821.1%–

21Switzerland County, ININ10,0371.1%–

22Harrison County, ININ40,4371.1%–

23Noble County, ININ47,9371.1%–

24Sullivan County, ININ20,8311.1%–

25Union County, ININ6,8631.1%–

26Kosciusko County, ININ80,8921.0%–

27Madison County, ININ135,0881.0%–

28Wayne County, ININ66,1691.0%–

29Posey County, ININ24,9881.0%–

30Warren County, ININ8,4740.9%–

31Crawford County, ININ10,5090.9%–

32Vigo County, ININ106,5120.9%–

33Johnson County, ININ174,2620.9%–

34Hamilton County, ININ387,0360.9%–

35Henry County, ININ49,1370.9%–

36Hancock County, ININ90,9690.9%–

37Porter County, ININ176,0490.9%–

38Grant County, ININ66,5240.9%–

39Warrick County, ININ66,8030.9%–

40Vanderburgh County, ININ181,9950.9%–

41Jackson County, ININ47,3700.9%–

42Decatur County, ININ26,5760.9%–

43Huntington County, ININ37,2240.8%–

44Pulaski County, ININ12,4630.8%–

45Whitley County, ININ35,0460.8%–

46Wabash County, ININ30,7130.8%–

47LaPorte County, ININ111,2940.8%–

48Hendricks County, ININ193,5100.8%–

49Starke County, ININ23,4250.8%–

50Jennings County, ININ27,6220.8%–

51Washington County, ININ28,3830.8%–

52Ripley County, ININ29,4340.8%–

53Morgan County, ININ74,9670.8%–

54Marshall County, ININ46,5990.7%–

55Marion County, ININ992,1960.7%–

56Jasper County, ININ33,8940.7%–

57LaGrange County, ININ41,3050.7%–

58St. Joseph County, ININ272,8610.7%–

59Clay County, ININ26,4100.7%–

60Tippecanoe County, ININ190,4560.7%–

61Knox County, ININ35,6520.7%–

62Cass County, ININ37,8360.7%–

63Delaware County, ININ113,1060.7%–

64Carroll County, ININ20,6550.7%–

65Howard County, ININ83,9040.6%–

66Scott County, ININ25,0530.6%–

67White County, ININ25,1640.6%–

68Martin County, ININ9,8560.6%–

69Steuben County, ININ34,7990.6%–

70Fayette County, ININ23,5330.6%–

71Greene County, ININ31,1650.6%–

72Owen County, ININ21,8860.6%–

73Allen County, ININ402,3290.6%–

74Franklin County, ININ23,2860.5%–

75Daviess County, ININ34,2090.5%–

76Putnam County, ININ37,8760.5%–

77Ohio County, ININ5,9940.5%–

78Brown County, ININ15,7770.5%–

79Spencer County, ININ20,0610.5%–

80Lake County, ININ504,6120.5%–

81Parke County, ININ16,6420.5%–

82DeKalb County, ININ44,5350.5%–

83Elkhart County, ININ208,7740.4%–

84Wells County, ININ28,8830.4%–

85Fulton County, ININ20,0910.4%–

86Dubois County, ININ44,0160.4%–

87Miami County, ININ34,4870.3%–

88Adams County, ININ36,6500.3%–

89Newton County, ININ14,1880.3%–

90Perry County, ININ19,3890.2%–

91Benton County, ININ8,8830.2%–

92Blackford County, ININ11,7300.2%–

SHOWING 1–92 OF 92

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