RANKING · 2020 CENSUS · 64 SHOWN OF 64

Largest Irish population, Louisiana counties · 2020

Louisiana 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 64 counties in Louisiana that qualify, ranked against each other statewide.

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 POPULATIONVS 2010

01St. Tammany Parish, LALA279,10833,172+6%

02Jefferson Parish, LALA431,39831,830−15%

03East Baton Rouge Parish, LALA456,18023,759−20%

04Orleans Parish, LALA362,15421,749+31%

05Livingston Parish, LALA155,03616,324+0%

06Calcasieu Parish, LALA208,46614,383−17%

07Tangipahoa Parish, LALA141,34613,342+13%

08Lafayette Parish, LALA257,94913,112+9%

09Caddo Parish, LALA224,22611,278−43%

10Ouachita Parish, LALA158,54210,176−27%

11Ascension Parish, LALA135,1058,868−1%

12Bossier Parish, LALA131,8677,780−47%

13Rapides Parish, LALA125,8777,123−40%

14Lincoln Parish, LALA48,3604,813−3%

15Terrebonne Parish, LALA104,1634,356−2%

16Washington Parish, LALA44,9373,943−24%

17St. Charles Parish, LALA50,5863,776−7%

18Beauregard Parish, LALA36,6733,726−23%

19St. Bernard Parish, LALA45,6423,310+80%

20Vernon Parish, LALA45,0913,089−56%

21Lafourche Parish, LALA95,5053,045−15%

22Iberia Parish, LALA66,8462,618−8%

23Acadia Parish, LALA57,0322,487−21%

24Franklin Parish, LALA19,0022,487−5%

25Avoyelles Parish, LALA37,9412,412−17%

26De Soto Parish, LALA27,3812,393+8%

27Vermilion Parish, LALA57,6712,267+24%

28Sabine Parish, LALA21,8342,172−20%

29Webster Parish, LALA34,9482,130−60%

30West Carroll Parish, LALA9,1562,101+105%

31Plaquemines Parish, LALA22,2562,075−4%

32Jackson Parish, LALA15,8342,022−6%

33Natchitoches Parish, LALA36,0891,976−50%

34Union Parish, LALA20,5611,950−16%

35Iberville Parish, LALA29,5791,912+11%

36Richland Parish, LALA19,5821,899+25%

37Winn Parish, LALA14,9611,870−24%

38St. Mary Parish, LALA46,5521,868−14%

39Jefferson Davis Parish, LALA31,4711,800+5%

40Morehouse Parish, LALA23,7051,793−22%

41Allen Parish, LALA22,6721,742−35%

42West Baton Rouge Parish, LALA28,7561,736−7%

43Concordia Parish, LALA17,8361,720−13%

44St. Martin Parish, LALA51,1061,484+2%

45Caldwell Parish, LALA9,3441,396+13%

46St. Landry Parish, LALA80,7651,390−50%

47Bienville Parish, LALA12,2691,311−13%

48St. John the Baptist Parish, LALA39,8751,265−31%

49Grant Parish, LALA22,0751,058−60%

50Catahoula Parish, LALA8,223987−45%

51Pointe Coupee Parish, LALA19,520970+8%

52Evangeline Parish, LALA31,980962−38%

53East Feliciana Parish, LALA18,911913−38%

54West Feliciana Parish, LALA15,134887−18%

55St. Helena Parish, LALA10,758733−31%

56Claiborne Parish, LALA13,354716−51%

57LaSalle Parish, LALA15,154648−72%

58Red River Parish, LALA7,165626−50%

59Assumption Parish, LALA19,720435−20%

60Madison Parish, LALA8,844330−31%

61Tensas Parish, LALA3,700298−8%

62East Carroll Parish, LALA6,760238+14%

63St. James Parish, LALA18,938231−49%

64Cameron Parish, LALA4,718215−57%

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS