Ranking of Louisiana Counties By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 305.73K people in Louisiana with Irish ancestry (6.57% of Louisiana population). Among all Louisiana counties, West Carroll Parish had the highest percentage of its population with Irish ancestry (17.52%), followed by Franklin Parish (14.30%), and Jackson Parish (13.84%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in Louisiana.
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Related Topics: Louisiana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Louisiana Counties By Percentage of Population with Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | West Carroll Parish | 17.52 |
| 2 | Franklin Parish | 14.30 |
| 3 | Jackson Parish | 13.84 |
| 4 | St. Tammany Parish | 13.20 |
| 5 | Caldwell Parish | 12.42 |
| 6 | Winn Parish | 12.35 |
| 7 | Bienville Parish | 11.37 |
| 8 | Livingston Parish | 10.96 |
| 9 | Concordia Parish | 10.73 |
| 10 | Sabine Parish | 9.47 |
| 11 | Tangipahoa Parish | 9.23 |
| 12 | Richland Parish | 9.13 |
| 13 | Washington Parish | 8.86 |
| 14 | Plaquemines Parish | 8.67 |
| 14 | St. Bernard Parish | 8.67 |
| 15 | Lincoln Parish | 8.54 |
| 16 | Beauregard Parish | 8.33 |
| 17 | Union Parish | 8.01 |
| 18 | St. Helena Parish | 7.51 |
| 19 | De Soto Parish | 7.46 |
| 20 | Jefferson Parish | 7.40 |
| 21 | Ouachita Parish | 7.28 |
| 22 | Catahoula Parish | 7.26 |
| 23 | St. Charles Parish | 7.23 |
| 24 | Red River Parish | 7.04 |
| 25 | Calcasieu Parish | 7.01 |
| 26 | Tensas Parish | 7.00 |
| 27 | Allen Parish | 6.96 |
| 28 | Morehouse Parish | 6.67 |
| 29 | Ascension Parish | 6.52 |
| 30 | West Feliciana Parish | 6.49 |
| 31 | Avoyelles Parish | 6.44 |
| 32 | Webster Parish | 6.28 |
| 33 | Bossier Parish | 5.99 |
| 34 | Jefferson Davis Parish | 5.85 |
| 35 | Iberville Parish | 5.80 |
| 36 | Orleans Parish | 5.70 |
| 37 | East Baton Rouge Parish | 5.58 |
| 38 | Natchitoches Parish | 5.28 |
| 38 | Rapides Parish | 5.28 |
| 39 | Lafayette Parish | 5.08 |
| 40 | Caddo Parish | 5.01 |
| 41 | Grant Parish | 4.96 |
| 42 | Vernon Parish | 4.94 |
| 43 | West Baton Rouge Parish | 4.61 |
| 44 | East Feliciana Parish | 4.24 |
| 45 | Pointe Coupee Parish | 4.16 |
| 46 | LaSalle Parish | 4.10 |
| 47 | East Carroll Parish | 4.07 |
| 48 | Iberia Parish | 3.93 |
| 49 | Claiborne Parish | 3.90 |
| 49 | Vermilion Parish | 3.90 |
| 50 | St. Mary Parish | 3.87 |
| 51 | Evangeline Parish | 3.77 |
| 52 | Cameron Parish | 3.56 |
| 53 | Terrebonne Parish | 3.55 |
| 54 | Lafourche Parish | 3.35 |
| 55 | Acadia Parish | 3.30 |
| 56 | St. John the Baptist Parish | 3.06 |
| 57 | St. Martin Parish | 2.64 |
| 58 | Madison Parish | 2.60 |
| 59 | Assumption Parish | 2.47 |
| 60 | St. Landry Parish | 2.22 |
| 61 | St. James Parish | 1.47 |
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