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. The median across all 92 is 3,410. Biggest climber in the top 100 since 2020: Sullivan County, IN, up 14 places to #59.

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IndianaAll states All rankings

SAME RANKING BYCities States Metros

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%

07▲5Hendricks County, ININ193,51019,248−10%

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

09▼2Tippecanoe County, ININ190,45618,797−20%

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

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

12▼3Monroe County, ININ143,34516,286−10%

13▲1LaPorte County, ININ111,29414,378−15%

14▲2Madison County, ININ135,08813,635−10%

15▼4Elkhart County, ININ208,77412,548−37%

16▲1Vigo County, ININ106,51212,494−4%

17▼2Delaware County, ININ113,10611,820−29%

18Floyd County, ININ82,15310,884−2%

19▲2Warrick County, ININ66,8039,347+4%

20▼1Hancock County, ININ90,9698,909−6%

21▼1Kosciusko County, ININ80,8928,498−4%

22▲5Boone County, ININ80,6897,500−3%

23Wayne County, ININ66,1697,385−10%

24▲1Howard County, ININ83,9047,051−17%

25▲1Dearborn County, ININ51,6096,834−28%

26▼4Bartholomew County, ININ85,7296,378−31%

27▲3Grant County, ININ66,5246,243−11%

28▼4Morgan County, ININ74,9675,868−45%

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

30▲1Henry County, ININ49,1375,225−10%

31▲4Harrison County, ININ40,4374,629−7%

32▲2Huntington County, ININ37,2244,590−17%

33▼5Montgomery County, ININ38,9544,511−18%

34▲3Jackson County, ININ47,3704,161−22%

35▲1DeKalb County, ININ44,5354,128−9%

36▲8Marshall County, ININ46,5994,105−22%

37▲9Gibson County, ININ33,0914,090−7%

38▼6Jasper County, ININ33,8944,067−26%

39▼1Shelby County, ININ45,8823,862−28%

40▲2Jefferson County, ININ33,2793,849−8%

41▼8Noble County, ININ47,9373,775−19%

42▲5Dubois County, ININ44,0163,738+10%

43▼4Steuben County, ININ34,7993,662+2%

44▲1Miami County, ININ34,4873,607−19%

45▲6Cass County, ININ37,8363,578−23%

46▲4Whitley County, ININ35,0463,410−18%

47▲8White County, ININ25,1643,381+3%

48▼5Greene County, ININ31,1653,301−40%

49▼8Knox County, ININ35,6523,192−36%

50▼10Wabash County, ININ30,7133,098−7%

51▲5Jennings County, ININ27,6223,077−34%

52▲5Starke County, ININ23,4252,914−23%

53▲8Washington County, ININ28,3832,826−27%

54▲8Fayette County, ININ23,5332,818−2%

55▼2Decatur County, ININ26,5762,792+8%

56▼8Putnam County, ININ37,8762,758−43%

57▲1Posey County, ININ24,9882,633−13%

58▼9Daviess County, ININ34,2092,626−35%

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

60▲10Adams County, ININ36,6502,470−12%

61▼9Ripley County, ININ29,4342,442−39%

62▼2Perry County, ININ19,3892,422−13%

63▲1Clinton County, ININ33,3222,398−30%

64▲11Wells County, ININ28,8832,388−21%

65▼6Newton County, ININ14,1882,368−2%

66▼1Randolph County, ININ24,4382,277−38%

67▼1Clay County, ININ26,4102,242−35%

68▲8Orange County, ININ19,8342,193−10%

69▲5Rush County, ININ16,7672,1130%

70▲2Brown County, ININ15,7772,055+3%

71▼2Spencer County, ININ20,0612,041−41%

72▼5Franklin County, ININ23,2861,999−34%

73▼2Fountain County, ININ17,0131,967−21%

74▲9Jay County, ININ20,1181,918−23%

75▲3Blackford County, ININ11,7301,905−12%

76▲4Fulton County, ININ20,0911,905−15%

77Carroll County, ININ20,6551,860−27%

78▼15Scott County, ININ25,0531,845−36%

79▼11LaGrange County, ININ41,3051,825−23%

80▼26Owen County, ININ21,8861,700−62%

81▲5Tipton County, ININ15,3191,542−1%

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

83▲5Benton County, ININ8,8831,393−7%

84▼5Pulaski County, ININ12,4631,368−17%

85▼4Parke County, ININ16,6421,319−29%

86▼1Martin County, ININ9,8561,307−34%

87Pike County, ININ12,0031,297−37%

88▼4Crawford County, ININ10,509983−48%

89Switzerland County, ININ10,037900−34%

90Warren County, ININ8,474868−7%

91Ohio County, ININ5,9947610%

92Union County, ININ6,863690−42%

SHOWING 1–92 OF 92

Download CSV (full list, 92 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES