RANKING · 2024 ACS · 92 SHOWN OF 92

Largest Irish population, Indiana counties

Indiana counties ranked by the number of residents who are 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 92 counties in Indiana that qualify, ranked against each other statewide.

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 2010

01Marion County, ININ992,19677,587−26%

02Lake County, ININ504,61249,122−11%

03Hamilton County, ININ387,03641,728+9%

04Allen County, ININ402,32936,162−10%

05St. Joseph County, ININ272,86133,133−20%

06Porter County, ININ176,04925,970−14%

07Hendricks County, ININ193,51019,248−10%

08Vanderburgh County, ININ181,99518,956−9%

09Tippecanoe County, ININ190,45618,797−20%

10Johnson County, ININ174,26216,878−21%

11Clark County, ININ130,45116,479+2%

12Monroe County, ININ143,34516,286−10%

13LaPorte County, ININ111,29414,378−15%

14Madison County, ININ135,08813,635−10%

15Elkhart County, ININ208,77412,548−37%

16Vigo County, ININ106,51212,494−4%

17Delaware County, ININ113,10611,820−29%

18Floyd County, ININ82,15310,884−2%

19Warrick County, ININ66,8039,347+4%

20Hancock County, ININ90,9698,909−6%

21Kosciusko County, ININ80,8928,498−4%

22Boone County, ININ80,6897,500−3%

23Wayne County, ININ66,1697,385−10%

24Howard County, ININ83,9047,051−17%

25Dearborn County, ININ51,6096,834−28%

26Bartholomew County, ININ85,7296,378−31%

27Grant County, ININ66,5246,243−11%

28Morgan County, ININ74,9675,868−45%

29Lawrence County, ININ45,5685,480−19%

30Henry County, ININ49,1375,225−10%

31Harrison County, ININ40,4374,629−7%

32Huntington County, ININ37,2244,590−17%

33Montgomery County, ININ38,9544,511−18%

34Jackson County, ININ47,3704,161−22%

35DeKalb County, ININ44,5354,128−9%

36Marshall County, ININ46,5994,105−22%

37Gibson County, ININ33,0914,090−7%

38Jasper County, ININ33,8944,067−26%

39Shelby County, ININ45,8823,862−28%

40Jefferson County, ININ33,2793,849−8%

41Noble County, ININ47,9373,775−19%

42Dubois County, ININ44,0163,738+10%

43Steuben County, ININ34,7993,662+2%

44Miami County, ININ34,4873,607−19%

45Cass County, ININ37,8363,578−23%

46Whitley County, ININ35,0463,410−18%

47White County, ININ25,1643,381+3%

48Greene County, ININ31,1653,301−40%

49Knox County, ININ35,6523,192−36%

50Wabash County, ININ30,7133,098−7%

51Jennings County, ININ27,6223,077−34%

52Starke County, ININ23,4252,914−23%

53Washington County, ININ28,3832,826−27%

54Fayette County, ININ23,5332,818−2%

55Decatur County, ININ26,5762,792+8%

56Putnam County, ININ37,8762,758−43%

57Posey County, ININ24,9882,633−13%

58Daviess County, ININ34,2092,626−35%

59Sullivan County, ININ20,8312,539+14%

60Adams County, ININ36,6502,470−12%

61Ripley County, ININ29,4342,442−39%

62Perry County, ININ19,3892,422−13%

63Clinton County, ININ33,3222,398−30%

64Wells County, ININ28,8832,388−21%

65Newton County, ININ14,1882,368−2%

66Randolph County, ININ24,4382,277−38%

67Clay County, ININ26,4102,242−35%

68Orange County, ININ19,8342,193−10%

69Rush County, ININ16,7672,113+0%

70Brown County, ININ15,7772,055+3%

71Spencer County, ININ20,0612,041−41%

72Franklin County, ININ23,2861,999−34%

73Fountain County, ININ17,0131,967−21%

74Jay County, ININ20,1181,918−23%

75Blackford County, ININ11,7301,905−12%

76Fulton County, ININ20,0911,905−15%

77Carroll County, ININ20,6551,860−27%

78Scott County, ININ25,0531,845−36%

79LaGrange County, ININ41,3051,825−23%

80Owen County, ININ21,8861,700−62%

81Tipton County, ININ15,3191,542−1%

82Vermillion County, ININ15,4881,414−22%

83Benton County, ININ8,8831,393−7%

84Pulaski County, ININ12,4631,368−17%

85Parke County, ININ16,6421,319−29%

86Martin County, ININ9,8561,307−34%

87Pike County, ININ12,0031,297−37%

88Crawford County, ININ10,509983−48%

89Switzerland County, ININ10,037900−34%

90Warren County, ININ8,474868−7%

91Ohio County, ININ5,994761−0%

92Union County, ININ6,863690−42%

SHOWING 1–92 OF 92

Download CSV (full list, 92 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES