RANKING · 2010 CENSUS · 92 SHOWN OF 92

Largest Irish population, Indiana counties · 2010

Indiana counties ranked by the number of residents who are Irish ancestry, from the 2010 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. The median across all 92 is 4,473.

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

RANKPLACESTATEPOPIRISH POPULATIONVS –

01Marion County, ININ992,196105,245–

02Lake County, ININ504,61254,906–

03St. Joseph County, ININ272,86141,235–

04Allen County, ININ402,32940,071–

05Hamilton County, ININ387,03638,147–

06Porter County, ININ176,04930,032–

07Tippecanoe County, ININ190,45623,518–

08Johnson County, ININ174,26221,347–

09Hendricks County, ININ193,51021,306–

10Vanderburgh County, ININ181,99520,941–

11Elkhart County, ININ208,77420,060–

12Monroe County, ININ143,34518,106–

13LaPorte County, ININ111,29417,004–

14Delaware County, ININ113,10616,641–

15Clark County, ININ130,45116,094–

16Madison County, ININ135,08815,124–

17Vigo County, ININ106,51213,045–

18Floyd County, ININ82,15311,068–

19Morgan County, ININ74,96710,663–

20Dearborn County, ININ51,6099,509–

21Hancock County, ININ90,9699,434–

22Bartholomew County, ININ85,7299,281–

23Warrick County, ININ66,8039,014–

24Kosciusko County, ININ80,8928,867–

25Howard County, ININ83,9048,466–

26Wayne County, ININ66,1698,196–

27Boone County, ININ80,6897,740–

28Grant County, ININ66,5247,039–

29Lawrence County, ININ45,5686,726–

30Henry County, ININ49,1375,789–

31Huntington County, ININ37,2245,560–

32Greene County, ININ31,1655,543–

33Montgomery County, ININ38,9545,508–

34Jasper County, ININ33,8945,461–

35Shelby County, ININ45,8825,388–

36Jackson County, ININ47,3705,351–

37Marshall County, ININ46,5995,238–

38Knox County, ININ35,6524,980–

39Harrison County, ININ40,4374,952–

40Putnam County, ININ37,8764,826–

41Noble County, ININ47,9374,657–

42Jennings County, ININ27,6224,631–

43Cass County, ININ37,8364,619–

44DeKalb County, ININ44,5354,517–

45Owen County, ININ21,8864,506–

46Miami County, ININ34,4874,473–

47Gibson County, ININ33,0914,383–

48Jefferson County, ININ33,2794,191–

49Whitley County, ININ35,0464,141–

50Daviess County, ININ34,2094,056–

51Ripley County, ININ29,4343,984–

52Washington County, ININ28,3833,854–

53Starke County, ININ23,4253,799–

54Randolph County, ININ24,4383,656–

55Steuben County, ININ34,7993,573–

56Spencer County, ININ20,0613,446–

57Clay County, ININ26,4103,444–

58Clinton County, ININ33,3223,413–

59Dubois County, ININ44,0163,394–

60Wabash County, ININ30,7133,323–

61White County, ININ25,1643,284–

62Franklin County, ININ23,2863,045–

63Posey County, ININ24,9883,028–

64Wells County, ININ28,8833,009–

65Fayette County, ININ23,5332,887–

66Scott County, ININ25,0532,862–

67Adams County, ININ36,6502,818–

68Perry County, ININ19,3892,779–

69Decatur County, ININ26,5762,596–

70Carroll County, ININ20,6552,543–

71Fountain County, ININ17,0132,497–

72Jay County, ININ20,1182,486–

73Orange County, ININ19,8342,449–

74Newton County, ININ14,1882,418–

75LaGrange County, ININ41,3052,377–

76Fulton County, ININ20,0912,250–

77Sullivan County, ININ20,8312,223–

78Blackford County, ININ11,7302,170–

79Rush County, ININ16,7672,106–

80Pike County, ININ12,0032,052–

81Brown County, ININ15,7772,000–

82Martin County, ININ9,8561,982–

83Crawford County, ININ10,5091,881–

84Parke County, ININ16,6421,859–

85Vermillion County, ININ15,4881,802–

86Pulaski County, ININ12,4631,656–

87Tipton County, ININ15,3191,551–

88Benton County, ININ8,8831,495–

89Switzerland County, ININ10,0371,372–

90Union County, ININ6,8631,197–

91Warren County, ININ8,474934–

92Ohio County, ININ5,994764–

SHOWING 1–92 OF 92

Download CSV (full list, 92 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS