RANKING · 2020 CENSUS · 64 SHOWN OF 64

Highest Irish population share, Louisiana counties · 2020

Louisiana 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 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 6.3%.

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 2010

01West Carroll Parish, LALA9,15619.2%+10.4 pts

02Caldwell Parish, LALA9,34414.0%+1.9 pts

03Winn Parish, LALA14,96113.2%−2.6 pts

04St. Tammany Parish, LALA279,10812.8%−0.9 pts

05Jackson Parish, LALA15,83412.8%−0.6 pts

06Franklin Parish, LALA19,00212.4%−0.3 pts

07Livingston Parish, LALA155,03611.6%−1.6 pts

08Catahoula Parish, LALA8,22310.3%−6.9 pts

09Lincoln Parish, LALA48,36010.2%−0.7 pts

10Tangipahoa Parish, LALA141,34610.0%0.0 pts

11Beauregard Parish, LALA36,67310.0%−3.9 pts

12Bienville Parish, LALA12,2699.8%−0.5 pts

13Richland Parish, LALA19,5829.4%+2.0 pts

14Sabine Parish, LALA21,8349.1%−2.2 pts

15Plaquemines Parish, LALA22,2568.9%−0.6 pts

16Concordia Parish, LALA17,8368.8%−0.8 pts

17Union Parish, LALA20,5618.8%−1.5 pts

18De Soto Parish, LALA27,3818.7%+0.3 pts

19Washington Parish, LALA44,9378.5%−2.6 pts

20Red River Parish, LALA7,1657.4%−6.3 pts

21Jefferson Parish, LALA431,3987.3%−1.4 pts

22St. Helena Parish, LALA10,7587.2%−2.5 pts

23St. Charles Parish, LALA50,5867.1%−0.6 pts

24Morehouse Parish, LALA23,7057.1%−1.0 pts

25Ascension Parish, LALA135,1057.1%−1.7 pts

26Calcasieu Parish, LALA208,4667.1%−2.0 pts

27St. Bernard Parish, LALA45,6427.1%+0.4 pts

28Allen Parish, LALA22,6726.8%−3.5 pts

29Tensas Parish, LALA3,7006.7%+0.7 pts

30Ouachita Parish, LALA158,5426.6%−2.5 pts

31West Baton Rouge Parish, LALA28,7566.6%−1.4 pts

32Vernon Parish, LALA45,0916.3%−7.7 pts

33Bossier Parish, LALA131,8676.1%−6.8 pts

34Avoyelles Parish, LALA37,9416.0%−1.0 pts

35Iberville Parish, LALA29,5795.9%+0.7 pts

36West Feliciana Parish, LALA15,1345.7%−1.2 pts

37Jefferson Davis Parish, LALA31,4715.7%+0.3 pts

38Orleans Parish, LALA362,1545.6%−0.1 pts

39Webster Parish, LALA34,9485.5%−7.6 pts

40Rapides Parish, LALA125,8775.5%−3.6 pts

41Lafayette Parish, LALA257,9495.4%−0.2 pts

42East Baton Rouge Parish, LALA456,1805.4%−1.4 pts

43Natchitoches Parish, LALA36,0895.1%−4.9 pts

44East Feliciana Parish, LALA18,9114.7%−2.5 pts

45Grant Parish, LALA22,0754.7%−7.6 pts

46Caddo Parish, LALA224,2264.6%−3.2 pts

47Claiborne Parish, LALA13,3544.5%−4.1 pts

48Pointe Coupee Parish, LALA19,5204.4%+0.5 pts

49LaSalle Parish, LALA15,1544.3%−11.3 pts

50Acadia Parish, LALA57,0324.0%−1.2 pts

51Terrebonne Parish, LALA104,1633.9%−0.1 pts

52Vermilion Parish, LALA57,6713.8%+0.6 pts

53St. Mary Parish, LALA46,5523.7%−0.3 pts

54Iberia Parish, LALA66,8463.7%−0.2 pts

55East Carroll Parish, LALA6,7603.4%+0.8 pts

56Lafourche Parish, LALA95,5053.1%−0.6 pts

57Cameron Parish, LALA4,7183.1%−3.8 pts

58Madison Parish, LALA8,8443.0%−0.9 pts

59St. John the Baptist Parish, LALA39,8752.9%−1.0 pts

60Evangeline Parish, LALA31,9802.9%−1.7 pts

61St. Martin Parish, LALA51,1062.8%0.0 pts

62Assumption Parish, LALA19,7202.0%−0.4 pts

63St. Landry Parish, LALA80,7651.7%−1.6 pts

64St. James Parish, LALA18,9381.1%−1.0 pts

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