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 (2020 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. The median across all 92 is 10.5%.

Irish Americans: full group profile →

IndianaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Newton County, ININ14,18818.3%+1.4 pts

02Porter County, ININ176,04915.1%−3.4 pts

03Crawford County, ININ10,50915.1%−2.3 pts

04Blackford County, ININ11,73015.1%−1.7 pts

05Montgomery County, ININ38,95414.9%+0.5 pts

06Pulaski County, ININ12,46314.1%+1.9 pts

07Dearborn County, ININ51,60913.8%−5.3 pts

08Brown County, ININ15,77713.7%+0.6 pts

09Jasper County, ININ33,89413.6%−2.9 pts

10Floyd County, ININ82,15313.5%−1.5 pts

11Martin County, ININ9,85613.5%−5.7 pts

12Clark County, ININ130,45113.4%−1.6 pts

13Benton County, ININ8,88313.3%−3.6 pts

14Owen County, ININ21,88613.3%−7.4 pts

15LaPorte County, ININ111,29413.3%−2.0 pts

16Perry County, ININ19,38913.3%−1.1 pts

17Warrick County, ININ66,80313.2%−2.2 pts

18Fountain County, ININ17,01312.7%−1.7 pts

19Ohio County, ININ5,99412.5%−0.1 pts

20Lawrence County, ININ45,56812.4%−2.1 pts

21Hamilton County, ININ387,03612.3%−2.3 pts

22Rush County, ININ16,76712.3%+0.3 pts

23Hancock County, ININ90,96912.1%−1.8 pts

24Wabash County, ININ30,71312.1%+2.1 pts

25Starke County, ININ23,42511.9%−4.3 pts

26Huntington County, ININ37,22411.9%−3.0 pts

27Monroe County, ININ143,34511.7%−1.7 pts

28St. Joseph County, ININ272,86111.6%−3.9 pts

29Wayne County, ININ66,16911.6%−0.3 pts

30White County, ININ25,16411.5%−1.8 pts

31Delaware County, ININ113,10611.3%−2.9 pts

32Vanderburgh County, ININ181,99511.2%−0.6 pts

33Jefferson County, ININ33,27911.1%−1.8 pts

34Vigo County, ININ106,51211.1%−1.1 pts

35Johnson County, ININ174,26211.0%−4.7 pts

36Kosciusko County, ININ80,89211.0%−0.5 pts

37Greene County, ININ31,16511.0%−5.8 pts

38Pike County, ININ12,00311.0%−4.9 pts

39Morgan County, ININ74,96710.9%−4.6 pts

40Steuben County, ININ34,79910.9%+0.4 pts

41Fayette County, ININ23,53310.9%−0.9 pts

42Decatur County, ININ26,57610.8%+0.7 pts

43Posey County, ININ24,98810.6%−1.0 pts

44Tippecanoe County, ININ190,45610.6%−3.4 pts

45Spencer County, ININ20,06110.5%−5.9 pts

46Vermillion County, ININ15,48810.5%−0.5 pts

47Henry County, ININ49,13710.5%−1.4 pts

48Harrison County, ININ40,43710.5%−2.4 pts

49Ripley County, ININ29,43410.4%−3.5 pts

50Switzerland County, ININ10,03710.4%−2.8 pts

51Lake County, ININ504,61210.3%−0.8 pts

52Gibson County, ININ33,09110.2%−2.9 pts

53Scott County, ININ25,05310.2%−1.7 pts

54Knox County, ININ35,65210.2%−2.8 pts

55Jennings County, ININ27,62210.0%−6.3 pts

56Sullivan County, ININ20,8319.9%−0.4 pts

57Franklin County, ININ23,2869.7%−3.4 pts

58Miami County, ININ34,4879.7%−2.3 pts

59Boone County, ININ80,6899.6%−4.5 pts

60Daviess County, ININ34,2099.6%−3.5 pts

61Parke County, ININ16,6429.6%−1.1 pts

62Orange County, ININ19,8349.6%−2.8 pts

63Hendricks County, ININ193,5109.5%−5.7 pts

64Noble County, ININ47,9379.5%−0.3 pts

65Warren County, ININ8,4749.5%−1.4 pts

66Allen County, ININ402,3299.5%−1.9 pts

67Madison County, ININ135,0889.5%−2.0 pts

68Randolph County, ININ24,4389.5%−4.4 pts

69Bartholomew County, ININ85,7299.4%−2.8 pts

70DeKalb County, ININ44,5359.4%−1.4 pts

71Carroll County, ININ20,6559.3%−3.4 pts

72Howard County, ININ83,9049.2%−0.9 pts

73Whitley County, ININ35,0469.1%−3.4 pts

74Tipton County, ININ15,3199.1%−0.5 pts

75Washington County, ININ28,3839.1%−4.6 pts

76Jackson County, ININ47,3709.0%−3.7 pts

77Putnam County, ININ37,8768.7%−4.0 pts

78Shelby County, ININ45,8828.6%−3.6 pts

79Clay County, ININ26,4108.6%−4.1 pts

80Marion County, ININ992,1968.4%−3.4 pts

81Fulton County, ININ20,0918.2%−2.7 pts

82Union County, ININ6,8638.0%−8.0 pts

83Grant County, ININ66,5248.0%−2.0 pts

84Elkhart County, ININ208,7748.0%−2.2 pts

85Cass County, ININ37,8367.9%−3.9 pts

86Jay County, ININ20,1187.8%−3.8 pts

87Dubois County, ININ44,0167.7%−0.4 pts

88Marshall County, ININ46,5997.6%−3.6 pts

89Clinton County, ININ33,3227.3%−2.9 pts

90Wells County, ININ28,8837.3%−3.6 pts

91Adams County, ININ36,6506.0%−2.3 pts

92LaGrange County, ININ41,3055.5%−0.9 pts

SHOWING 1–92 OF 92

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