Ranking of Louisiana Counties By Percentage of Population with Cajun Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 53.40K people in Louisiana with Cajun ancestry (1.15% of Louisiana population). Among all Louisiana counties, Vermilion Parish had the highest percentage of its population with Cajun ancestry (8.76%), followed by Acadia Parish (6.39%), and Iberia Parish (5.17%).
The chart and table below shows the top 10 counties with high percentage of its population having Cajun 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 Cajun Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Vermilion Parish | 8.76 |
| 2 | Acadia Parish | 6.39 |
| 3 | Iberia Parish | 5.17 |
| 4 | Cameron Parish | 3.88 |
| 5 | St. Martin Parish | 3.57 |
| 6 | Assumption Parish | 3.48 |
| 7 | Lafayette Parish | 3.01 |
| 8 | Avoyelles Parish | 2.92 |
| 9 | Lafourche Parish | 2.77 |
| 10 | Terrebonne Parish | 2.08 |
| 11 | West Baton Rouge Parish | 2.03 |
| 12 | Calcasieu Parish | 1.96 |
| 13 | St. Landry Parish | 1.94 |
| 14 | Jefferson Davis Parish | 1.92 |
| 15 | Evangeline Parish | 1.71 |
| 16 | St. Mary Parish | 1.69 |
| 17 | Ascension Parish | 1.47 |
| 18 | Plaquemines Parish | 1.24 |
| 19 | Iberville Parish | 1.01 |
| 20 | St. James Parish | 0.86 |
| 21 | Livingston Parish | 0.81 |
| 22 | Allen Parish | 0.80 |
| 23 | Jefferson Parish | 0.71 |
| 24 | Tensas Parish | 0.70 |
| 25 | Rapides Parish | 0.69 |
| 26 | East Feliciana Parish | 0.67 |
| 27 | St. Charles Parish | 0.60 |
| 28 | St. Bernard Parish | 0.55 |
| 29 | Pointe Coupee Parish | 0.50 |
| 30 | East Baton Rouge Parish | 0.48 |
| 31 | Tangipahoa Parish | 0.45 |
| 32 | Richland Parish | 0.44 |
| 33 | Bienville Parish | 0.41 |
| 33 | St. Tammany Parish | 0.41 |
| 34 | St. John the Baptist Parish | 0.40 |
| 35 | Beauregard Parish | 0.38 |
| 36 | Lincoln Parish | 0.36 |
| 37 | LaSalle Parish | 0.35 |
| 37 | Sabine Parish | 0.35 |
| 38 | Grant Parish | 0.33 |
| 39 | Catahoula Parish | 0.31 |
| 40 | Orleans Parish | 0.30 |
| 40 | West Feliciana Parish | 0.30 |
| 41 | Caddo Parish | 0.24 |
| 41 | De Soto Parish | 0.24 |
| 42 | Claiborne Parish | 0.23 |
| 43 | Vernon Parish | 0.22 |
| 44 | Bossier Parish | 0.21 |
| 44 | Ouachita Parish | 0.21 |
| 45 | East Carroll Parish | 0.20 |
| 45 | Washington Parish | 0.20 |
| 46 | Franklin Parish | 0.17 |
| 47 | Concordia Parish | 0.14 |
| 48 | Natchitoches Parish | 0.13 |
| 49 | Red River Parish | 0.09 |
| 49 | Webster Parish | 0.09 |
| 49 | West Carroll Parish | 0.09 |
| 50 | Madison Parish | 0.03 |
| 50 | Morehouse Parish | 0.03 |
| 51 | Union Parish | 0.02 |
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