RANKING · 2020 CENSUS · 92 SHOWN OF 92

Highest Irish population share, Indiana counties · 2020

Indiana counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: 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

RANKPLACESTATEPOPIRISH SHAREVS 2000

01Newton County, ININ14,18818.3%–

02Porter County, ININ176,04915.1%–

03Crawford County, ININ10,50915.1%–

04Blackford County, ININ11,73015.1%–

05Montgomery County, ININ38,95414.9%–

06Pulaski County, ININ12,46314.1%–

07Dearborn County, ININ51,60913.8%–

08Brown County, ININ15,77713.7%–

09Jasper County, ININ33,89413.6%–

10Floyd County, ININ82,15313.5%–

11Martin County, ININ9,85613.5%–

12Clark County, ININ130,45113.4%–

13Benton County, ININ8,88313.3%–

14Owen County, ININ21,88613.3%–

15LaPorte County, ININ111,29413.3%–

16Perry County, ININ19,38913.3%–

17Warrick County, ININ66,80313.2%–

18Fountain County, ININ17,01312.7%–

19Ohio County, ININ5,99412.5%–

20Lawrence County, ININ45,56812.4%–

21Hamilton County, ININ387,03612.3%–

22Rush County, ININ16,76712.3%–

23Hancock County, ININ90,96912.1%–

24Wabash County, ININ30,71312.1%–

25Starke County, ININ23,42511.9%–

26Huntington County, ININ37,22411.9%–

27Monroe County, ININ143,34511.7%–

28St. Joseph County, ININ272,86111.6%–

29Wayne County, ININ66,16911.6%–

30White County, ININ25,16411.5%–

31Delaware County, ININ113,10611.3%–

32Vanderburgh County, ININ181,99511.2%–

33Jefferson County, ININ33,27911.1%–

34Vigo County, ININ106,51211.1%–

35Johnson County, ININ174,26211.0%–

36Kosciusko County, ININ80,89211.0%–

37Greene County, ININ31,16511.0%–

38Pike County, ININ12,00311.0%–

39Morgan County, ININ74,96710.9%–

40Steuben County, ININ34,79910.9%–

41Fayette County, ININ23,53310.9%–

42Decatur County, ININ26,57610.8%–

43Posey County, ININ24,98810.6%–

44Tippecanoe County, ININ190,45610.6%–

45Spencer County, ININ20,06110.5%–

46Vermillion County, ININ15,48810.5%–

47Henry County, ININ49,13710.5%–

48Harrison County, ININ40,43710.5%–

49Ripley County, ININ29,43410.4%–

50Switzerland County, ININ10,03710.4%–

51Lake County, ININ504,61210.3%–

52Gibson County, ININ33,09110.2%–

53Scott County, ININ25,05310.2%–

54Knox County, ININ35,65210.2%–

55Jennings County, ININ27,62210.0%–

56Sullivan County, ININ20,8319.9%–

57Franklin County, ININ23,2869.7%–

58Miami County, ININ34,4879.7%–

59Boone County, ININ80,6899.6%–

60Daviess County, ININ34,2099.6%–

61Parke County, ININ16,6429.6%–

62Orange County, ININ19,8349.6%–

63Hendricks County, ININ193,5109.5%–

64Noble County, ININ47,9379.5%–

65Warren County, ININ8,4749.5%–

66Allen County, ININ402,3299.5%–

67Madison County, ININ135,0889.5%–

68Randolph County, ININ24,4389.5%–

69Bartholomew County, ININ85,7299.4%–

70DeKalb County, ININ44,5359.4%–

71Carroll County, ININ20,6559.3%–

72Howard County, ININ83,9049.2%–

73Whitley County, ININ35,0469.1%–

74Tipton County, ININ15,3199.1%–

75Washington County, ININ28,3839.1%–

76Jackson County, ININ47,3709.0%–

77Putnam County, ININ37,8768.7%–

78Shelby County, ININ45,8828.6%–

79Clay County, ININ26,4108.6%–

80Marion County, ININ992,1968.4%–

81Fulton County, ININ20,0918.2%–

82Union County, ININ6,8638.0%–

83Grant County, ININ66,5248.0%–

84Elkhart County, ININ208,7748.0%–

85Cass County, ININ37,8367.9%–

86Jay County, ININ20,1187.8%–

87Dubois County, ININ44,0167.7%–

88Marshall County, ININ46,5997.6%–

89Clinton County, ININ33,3227.3%–

90Wells County, ININ28,8837.3%–

91Adams County, ININ36,6506.0%–

92LaGrange County, ININ41,3055.5%–

SHOWING 1–92 OF 92

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