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 (2023 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.

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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 2000

01West Carroll Parish, LALA9,15619.2%–

02Caldwell Parish, LALA9,34414.0%–

03Winn Parish, LALA14,96113.2%–

04St. Tammany Parish, LALA279,10812.8%–

05Jackson Parish, LALA15,83412.8%–

06Franklin Parish, LALA19,00212.4%–

07Livingston Parish, LALA155,03611.6%–

08Catahoula Parish, LALA8,22310.3%–

09Lincoln Parish, LALA48,36010.2%–

10Tangipahoa Parish, LALA141,34610.0%–

11Beauregard Parish, LALA36,67310.0%–

12Bienville Parish, LALA12,2699.8%–

13Richland Parish, LALA19,5829.4%–

14Sabine Parish, LALA21,8349.1%–

15Plaquemines Parish, LALA22,2568.9%–

16Concordia Parish, LALA17,8368.8%–

17Union Parish, LALA20,5618.8%–

18De Soto Parish, LALA27,3818.7%–

19Washington Parish, LALA44,9378.5%–

20Red River Parish, LALA7,1657.4%–

21Jefferson Parish, LALA431,3987.3%–

22St. Helena Parish, LALA10,7587.2%–

23St. Charles Parish, LALA50,5867.1%–

24Morehouse Parish, LALA23,7057.1%–

25Ascension Parish, LALA135,1057.1%–

26Calcasieu Parish, LALA208,4667.1%–

27St. Bernard Parish, LALA45,6427.1%–

28Allen Parish, LALA22,6726.8%–

29Tensas Parish, LALA3,7006.7%–

30Ouachita Parish, LALA158,5426.6%–

31West Baton Rouge Parish, LALA28,7566.6%–

32Vernon Parish, LALA45,0916.3%–

33Bossier Parish, LALA131,8676.1%–

34Avoyelles Parish, LALA37,9416.0%–

35Iberville Parish, LALA29,5795.9%–

36West Feliciana Parish, LALA15,1345.7%–

37Jefferson Davis Parish, LALA31,4715.7%–

38Orleans Parish, LALA362,1545.6%–

39Webster Parish, LALA34,9485.5%–

40Rapides Parish, LALA125,8775.5%–

41Lafayette Parish, LALA257,9495.4%–

42East Baton Rouge Parish, LALA456,1805.4%–

43Natchitoches Parish, LALA36,0895.1%–

44East Feliciana Parish, LALA18,9114.7%–

45Grant Parish, LALA22,0754.7%–

46Caddo Parish, LALA224,2264.6%–

47Claiborne Parish, LALA13,3544.5%–

48Pointe Coupee Parish, LALA19,5204.4%–

49LaSalle Parish, LALA15,1544.3%–

50Acadia Parish, LALA57,0324.0%–

51Terrebonne Parish, LALA104,1633.9%–

52Vermilion Parish, LALA57,6713.8%–

53St. Mary Parish, LALA46,5523.7%–

54Iberia Parish, LALA66,8463.7%–

55East Carroll Parish, LALA6,7603.4%–

56Lafourche Parish, LALA95,5053.1%–

57Cameron Parish, LALA4,7183.1%–

58Madison Parish, LALA8,8443.0%–

59St. John the Baptist Parish, LALA39,8752.9%–

60Evangeline Parish, LALA31,9802.9%–

61St. Martin Parish, LALA51,1062.8%–

62Assumption Parish, LALA19,7202.0%–

63St. Landry Parish, LALA80,7651.7%–

64St. James Parish, LALA18,9381.1%–

SHOWING 1–64 OF 64

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES