The list of Louisiana parishes by French-speaking population was created from the 2000 Census of the United States[1]. Census collects data on languages spoken at home by inhabitants of Louisiana five years of age or more. Responses "French" and "Cajun" are included.
Statewide, out of a population 5 years and older of 4,152,122, some 179,750 people reported French as their home language, while 14,365 reported "Cajun". A further 4,465 who reported French Creole and are not counted below.
| Name of parish | Total population 5 and older | French-speaking population 5 and older | Percentage French-speaking | Map |
|---|---|---|---|---|
| Louisiana total | 4,152,122 | 194,115 | 4.66% | |
| Lafayette¹ | 176,051 | 25,300 | 14.37% | |
| Lafourche² | 83,518 | 15,984 | 19.12% | |
| St. Landry¹ | 80,668 | 13,475 | 16.70% | |
| Vermilion¹ | 49,842 | 12,410 | 24.89% | |
| St. Martin¹ | 44,779 | 12,290 | 27.44% | |
| Acadia | 54,114 | 10,310 | 19.04% | |
| Terrebonne² | 96,309 | 10,275 | 10.66% | |
| Calcasieu² | 169,745 | 10,170 | 5.98% | |
| Evangeline¹ | 32,454 | 8,345 | 25.71% | |
| Iberia¹ | 67,374 | 8,089 | 11.99% | |
| East Baton Rouge | 382,741 | 7,925 | 2.07% | |
| Jefferson² | 424,600 | 7,763 | 1.82% | |
| Avoyelles² | 38,468 | 6,789 | 17.64% | |
| Orleans | 450,894 | 5,805 | 1.28% | |
| Jefferson Davis | 28,844 | 4,660 | 16.15% | |
| Assumption² | 21,713 | 3,819 | 17.58% | |
| St. Mary¹ | 49,345 | 2,685 | 5.43% | |
| Rapides | 116,866 | 2,189 | 1.86% | |
| St. Tammany | 177,092 | 2,160 | 1.21% | |
| Ascension² | 70,093 | 1,944 | 2.76% | |
| Caddo | 233,812 | 1,944 | 0.82% | |
| Allen | 23,571 | 1,468 | 6.22% | |
| Livingston | 84,694 | 1,344 | 1.58% | |
| St. Charles² | 44,152 | 1,189 | 2.69% | |
| Tangipahoa | 93,002 | 1,084 | 1.16% | |
| Cameron² | 9,279 | 1,075 | 11.57% | |
| Pointe Coupee² | 21,139 | 1,035 | 4.89% | |
| Ouachita | 136,264 | 1,030 | 0.75% | |
| Iberville² | 31,035 | 1,005 | 3.23% | |
| St. James² | 19,684 | 980 | 4.97% | |
| St. Bernard | 62,812 | 915 | 1.44% | |
| Plaquemines | 24,581 | 855 | 3.47% | |
| St. John the Baptist² | 39,220 | 735 | 1.86% | |
| West Baton Rouge² | 20,012 | 675 | 3.36% | |
| East Feliciana | 19,853 | 574 | 2.88% | |
| Beauregard | 30,559 | 570 | 1.86% | |
| Lincoln | 39,573 | 510 | 1.28% | |
| Bossier | 90,587 | 474 | 0.51% | |
| Washington | 40,738 | 364 | 0.89% | |
| Vernon | 47,048 | 350 | 0.74% | |
| Natchitoches | 36,082 | 339 | 0.93% | |
| Webster | 39,110 | 243 | 0.62% | |
| Grant | 17,223 | 230 | 1.32% | |
| De Soto | 23,607 | 230 | 0.97% | |
| Concordia | 18,698 | 190 | 1.01% | |
| Sabine | 21,830 | 190 | 0.86% | |
| La Salle | 13,281 | 167 | 1.25% | |
| West Feliciana | 14,338 | 159 | 1.10% | |
| Jackson | 14,363 | 148 | 1.03% | |
| Richland | 19,319 | 100 | 0.51% | |
| Catahoula | 10,183 | 99 | 0.97% | |
| Union | 21,129 | 95 | 0.44% | |
| West Carroll | 11,507 | 83 | 0.72% | |
| Caldwell | 9,868 | 79 | 0.80% | |
| Bienville | 14,699 | 79 | 0.53% | |
| Franklin | 19,649 | 79 | 0.40% | |
| Morehouse | 28,735 | 75 | 0.26% | |
| Winn | 15,783 | 64 | 0.40% | |
| East Carroll | 8,585 | 55 | 0.64% | |
| Tensas | 6,144 | 35 | 0.56% | |
| Claiborne | 15,794 | 35 | 0.22% | |
| St. Helena | 9,690 | 30 | 0.30% | |
| Madison | 12,555 | 25 | 0.19% | |
| Red River | 8,854 | 20 | 0.22% |