RANKING · 2020 CENSUS · 115 SHOWN OF 115

Largest Irish population, Missouri counties · 2020

Missouri counties ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 115 counties in Missouri that qualify, ranked against each other statewide. The median across all 115 is 2,297.

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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

01St. Louis County, MOMO990,911129,335−16%

02Jackson County, MOMO732,99477,113−5%

03St. Charles County, MOMO426,49965,094−3%

04Jefferson County, MOMO233,13234,066−16%

05Clay County, MOMO265,03232,085−16%

06Greene County, MOMO309,28630,847−19%

07St. Louis, MOMO278,14428,924−8%

08Boone County, MOMO191,74621,918−6%

09Franklin County, MOMO108,09015,570−2%

10Platte County, MOMO114,40014,736+4%

11Jasper County, MOMO127,42814,035−9%

12Cass County, MOMO115,85913,870−11%

13Christian County, MOMO96,72512,009+30%

14Buchanan County, MOMO83,54011,439−25%

15St. Francois County, MOMO67,8098,342−24%

16Lincoln County, MOMO66,6767,686−18%

17Johnson County, MOMO56,6707,654−10%

18Newton County, MOMO62,2637,002−12%

19Taney County, MOMO57,0016,999−26%

20Cape Girardeau County, MOMO83,9996,981−28%

21Cole County, MOMO77,9086,910−19%

22Butler County, MOMO41,9045,802−17%

23Camden County, MOMO44,0475,360−31%

24Pulaski County, MOMO54,4425,248−16%

25Callaway County, MOMO45,7655,176−23%

26Warren County, MOMO39,0165,080−12%

27Phelps County, MOMO45,2475,036+3%

28Lawrence County, MOMO39,4014,922−17%

29Laclede County, MOMO36,9434,864+29%

30Webster County, MOMO43,0544,554+33%

31Pettis County, MOMO44,2544,511−29%

32Polk County, MOMO33,6044,338+6%

33Dunklin County, MOMO26,8554,097−6%

34Stone County, MOMO32,5034,055−35%

35Washington County, MOMO23,8103,947+3%

36Howell County, MOMO40,7983,938−28%

37Stoddard County, MOMO28,2843,766−14%

38Scott County, MOMO37,9753,652−36%

39Marion County, MOMO28,5253,579+22%

40Crawford County, MOMO22,9293,510−7%

41Randolph County, MOMO24,5133,406−11%

42Barry County, MOMO36,2003,241−44%

43Ray County, MOMO23,3983,028−21%

44Henry County, MOMO22,6712,998−24%

45Miller County, MOMO25,8172,985−16%

46Lafayette County, MOMO33,5312,975−47%

47Clinton County, MOMO21,6612,885−24%

48Vernon County, MOMO19,9462,596−26%

49New Madrid County, MOMO15,0862,549−22%

50Adair County, MOMO25,6842,507−45%

51Wright County, MOMO19,6712,495+17%

52Audrain County, MOMO24,5282,480−25%

53Ripley County, MOMO10,7172,416−4%

54Texas County, MOMO25,9942,366−36%

55Andrew County, MOMO18,2412,344−18%

56Benton County, MOMO20,5362,343−17%

57Saline County, MOMO23,2652,301−33%

58Nodaway County, MOMO20,1742,297−43%

59Bates County, MOMO16,5122,146−26%

60Gasconade County, MOMO14,7842,059−11%

61Dent County, MOMO14,5842,041−38%

62DeKalb County, MOMO9,7952,007−9%

63Pike County, MOMO17,9551,971−13%

64Cooper County, MOMO17,1361,962−23%

65Morgan County, MOMO22,4181,901−34%

66Pemiscot County, MOMO14,4651,839+10%

67Moniteau County, MOMO15,4281,774−22%

68Macon County, MOMO15,1901,734−16%

69Cedar County, MOMO14,8881,732−5%

70Ste. Genevieve County, MOMO18,6891,676−28%

71Perry County, MOMO19,0931,612−6%

72Douglas County, MOMO12,3421,607−7%

73Wayne County, MOMO10,7821,474−31%

74Livingston County, MOMO14,7081,424−30%

75Montgomery County, MOMO11,5901,422−2%

76Dallas County, MOMO18,0251,418−39%

77Hickory County, MOMO9,0441,415−5%

78Maries County, MOMO8,3971,341−10%

79Barton County, MOMO11,7951,313+8%

80Oregon County, MOMO8,7091,303−3%

81Iron County, MOMO9,3181,277−17%

82Madison County, MOMO12,8581,255−36%

83McDonald County, MOMO23,9921,250−45%

84Ralls County, MOMO10,4441,175−4%

85Bollinger County, MOMO10,6461,132−52%

86Monroe County, MOMO8,9591,105+9%

87Reynolds County, MOMO5,9921,050−15%

88Linn County, MOMO11,8151,045−54%

89Ozark County, MOMO9,172999−29%

90Carter County, MOMO5,418949+11%

91Mississippi County, MOMO12,003942−46%

92Howard County, MOMO10,180924−34%

93Harrison County, MOMO8,281915−39%

94Shannon County, MOMO7,285899−19%

95St. Clair County, MOMO9,976891−56%

96Grundy County, MOMO9,744851−44%

97Lewis County, MOMO9,879841−30%

98Osage County, MOMO13,611832−46%

99Daviess County, MOMO8,558816−12%

100Carroll County, MOMO8,417798−39%

101Caldwell County, MOMO9,012785−40%

102Dade County, MOMO7,804746−42%

103Clark County, MOMO6,475738−36%

104Atchison County, MOMO5,175631−28%

105Gentry County, MOMO6,384606−26%

106Holt County, MOMO4,200556−12%

107Sullivan County, MOMO5,738511−42%

108Chariton County, MOMO7,377496−49%

109Shelby County, MOMO5,870418−54%

110Schuyler County, MOMO4,140407−32%

111Mercer County, MOMO3,404345−47%

112Putnam County, MOMO4,546314−49%

113Scotland County, MOMO4,796290−38%

114Worth County, MOMO1,914268+22%

115Knox County, MOMO3,728242−67%

SHOWING 1–115 OF 115

Download CSV (full list, 115 rows)

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