RANKING · 2010 CENSUS · 64 SHOWN OF 64

Highest Irish population share, Louisiana counties · 2010

Louisiana counties ranked by the share of all residents who are Irish ancestry (2010 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 8.6%.

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 SHAREVS –

01Catahoula Parish, LALA8,22317.2%–

02Winn Parish, LALA14,96115.8%–

03LaSalle Parish, LALA15,15415.6%–

04Vernon Parish, LALA45,09113.9%–

05Beauregard Parish, LALA36,67313.9%–

06Red River Parish, LALA7,16513.7%–

07St. Tammany Parish, LALA279,10813.7%–

08Jackson Parish, LALA15,83413.4%–

09Livingston Parish, LALA155,03613.2%–

10Webster Parish, LALA34,94813.1%–

11Bossier Parish, LALA131,86712.9%–

12Franklin Parish, LALA19,00212.6%–

13Grant Parish, LALA22,07512.3%–

14Caldwell Parish, LALA9,34412.1%–

15Sabine Parish, LALA21,83411.3%–

16Washington Parish, LALA44,93711.1%–

17Lincoln Parish, LALA48,36010.9%–

18Allen Parish, LALA22,67210.4%–

19Bienville Parish, LALA12,26910.3%–

20Union Parish, LALA20,56110.2%–

21Natchitoches Parish, LALA36,08910.1%–

22Tangipahoa Parish, LALA141,34610.0%–

23St. Helena Parish, LALA10,7589.6%–

24Concordia Parish, LALA17,8369.6%–

25Plaquemines Parish, LALA22,2569.5%–

26Ouachita Parish, LALA158,5429.1%–

27Calcasieu Parish, LALA208,4669.1%–

28Rapides Parish, LALA125,8779.1%–

29West Carroll Parish, LALA9,1568.8%–

30Ascension Parish, LALA135,1058.7%–

31Jefferson Parish, LALA431,3988.7%–

32Claiborne Parish, LALA13,3548.6%–

33De Soto Parish, LALA27,3818.4%–

34Morehouse Parish, LALA23,7058.1%–

35West Baton Rouge Parish, LALA28,7568.0%–

36Caddo Parish, LALA224,2267.9%–

37St. Charles Parish, LALA50,5867.7%–

38Richland Parish, LALA19,5827.4%–

39East Feliciana Parish, LALA18,9117.2%–

40Avoyelles Parish, LALA37,9416.9%–

41West Feliciana Parish, LALA15,1346.9%–

42Cameron Parish, LALA4,7186.9%–

43East Baton Rouge Parish, LALA456,1806.8%–

44St. Bernard Parish, LALA45,6426.6%–

45Tensas Parish, LALA3,7006.0%–

46Orleans Parish, LALA362,1545.6%–

47Lafayette Parish, LALA257,9495.6%–

48Jefferson Davis Parish, LALA31,4715.4%–

49Acadia Parish, LALA57,0325.2%–

50Iberville Parish, LALA29,5795.1%–

51Evangeline Parish, LALA31,9804.5%–

52Terrebonne Parish, LALA104,1634.0%–

53St. Mary Parish, LALA46,5524.0%–

54Pointe Coupee Parish, LALA19,5203.9%–

55St. John the Baptist Parish, LALA39,8753.9%–

56Madison Parish, LALA8,8443.9%–

57Iberia Parish, LALA66,8463.9%–

58Lafourche Parish, LALA95,5053.8%–

59St. Landry Parish, LALA80,7653.3%–

60Vermilion Parish, LALA57,6713.2%–

61St. Martin Parish, LALA51,1062.8%–

62East Carroll Parish, LALA6,7602.6%–

63Assumption Parish, LALA19,7202.3%–

64St. James Parish, LALA18,9382.1%–

SHOWING 1–64 OF 64

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