50K
100K
150K
200K
250K
300K
350K
400K
450K
Top 5 Most Populous Parishes
457,180
430,445
357,769
281,243
261,751
64 Parishes
| Parish | 2026 Pop. ↓ | Area (mi²) | Density | Change (2020) |
|---|---|---|---|---|
| East Baton Rouge Parish | 457,180 | 456 | 1,003 | 0.28% |
| Jefferson Parish | 430,445 | 301 | 1,430 | -2.12% |
| Orleans Parish | 357,769 | 170 | 2,105 | -6.68% |
| St. Tammany Parish | 281,243 | 845 | 333 | 6.13% |
| Lafayette Parish | 261,751 | 269 | 973 | 8.08% |
| Caddo Parish | 221,759 | 879 | 252 | -6.4% |
| Calcasieu Parish | 211,635 | 1.1K | 199 | -2.24% |
| Ouachita Parish | 158,198 | 610 | 259 | -1.2% |
| Livingston Parish | 157,518 | 648 | 243 | 10.27% |
| Tangipahoa Parish | 143,471 | 791 | 181 | 7.35% |
| Ascension Parish | 136,694 | 290 | 471 | 7.65% |
| Bossier Parish | 132,546 | 840 | 158 | 2.94% |
| Rapides Parish | 124,791 | 1.3K | 94 | -3.75% |
| Terrebonne Parish | 103,520 | 1.2K | 84 | -5.39% |
| Lafourche Parish | 95,734 | 1.1K | 90 | -1.76% |
| St. Landry Parish | 79,949 | 924 | 87 | -2.87% |
| Iberia Parish | 67,216 | 575 | 117 | -4.06% |
| Vermilion Parish | 58,561 | 1.2K | 50 | 2.82% |
| Acadia Parish | 56,514 | 655 | 86 | -1.68% |
| St. Martin Parish | 51,410 | 737 | 70 | -0.4% |
| St. Charles Parish | 50,106 | 278 | 180 | -4.59% |
| Lincoln Parish | 48,463 | 472 | 103 | 0.33% |
| St. Mary Parish | 46,135 | 559 | 83 | -6.14% |
| Washington Parish | 45,368 | 670 | 68 | 0.03% |
| St. Bernard Parish | 45,059 | 378 | 119 | 2.74% |
| Vernon Parish | 44,963 | 1.3K | 34 | -7.53% |
| St. John the Baptist Parish | 39,852 | 214 | 186 | -5.92% |
| Avoyelles Parish | 38,079 | 832 | 46 | -3.94% |
| Beauregard Parish | 36,461 | 1.2K | 32 | -0.4% |
| Natchitoches Parish | 35,164 | 1.3K | 28 | -5.96% |
| Webster Parish | 34,664 | 593 | 58 | -6.03% |
| Evangeline Parish | 31,345 | 662 | 47 | -2.96% |
| Jefferson Davis Parish | 31,068 | 652 | 48 | -3.55% |
| Iberville Parish | 29,710 | 619 | 48 | -1.2% |
| West Baton Rouge Parish | 28,599 | 192 | 149 | 4.9% |
| De Soto Parish | 27,500 | 876 | 31 | 2.42% |
| Morehouse Parish | 23,251 | 795 | 29 | -8.68% |
| Allen Parish | 22,895 | 762 | 30 | 0.91% |
| Grant Parish | 22,469 | 644 | 35 | 1.43% |
| Plaquemines Parish | 22,155 | 781 | 28 | -5.55% |
| Sabine Parish | 21,366 | 867 | 25 | -3.36% |
| Union Parish | 20,479 | 877 | 23 | -2.94% |
| Assumption Parish | 19,704 | 344 | 57 | -6.01% |
| Pointe Coupee Parish | 19,545 | 557 | 35 | -5.46% |
| Richland Parish | 19,441 | 556 | 35 | -2.94% |
| St. James Parish | 18,894 | 238 | 79 | -6.09% |
| East Feliciana Parish | 18,820 | 453 | 42 | -3.2% |
| Franklin Parish | 18,791 | 624 | 30 | -4.68% |
| Concordia Parish | 17,373 | 697 | 25 | -6.45% |
| West Feliciana Parish | 14,811 | 403 | 37 | -2.96% |
| Jackson Parish | 14,657 | 569 | 26 | -2.26% |
| LaSalle Parish | 14,578 | 625 | 23 | -1.69% |
| Winn Parish | 13,391 | 950 | 14 | -2.38% |
| Claiborne Parish | 13,325 | 755 | 18 | -5.55% |
| Bienville Parish | 12,356 | 811 | 15 | -4.35% |
| St. Helena Parish | 10,941 | 409 | 27 | 0.38% |
| Caldwell Parish | 9,375 | 530 | 18 | -2.51% |
| West Carroll Parish | 9,148 | 360 | 25 | -5.62% |
| Madison Parish | 8,743 | 624 | 14 | -11.85% |
| Catahoula Parish | 7,964 | 708 | 11 | -9.98% |
| Red River Parish | 6,924 | 389 | 18 | -8.71% |
| East Carroll Parish | 6,918 | 421 | 16 | -6.44% |
| Cameron Parish | 4,488 | 1.3K | 3 | -20.2% |
| Tensas Parish | 3,836 | 603 | 6 | -6.62% |
There are 64 parishes in Louisiana.
East Baton Rouge Parish is the largest parish in the state, with a population of 457,180. The most recent census shows that its population has increased by 0.00% since the previous census.
A number of other Louisiana parishes also boast relatively large populations for their state, though not able to match the density of East Baton Rouge Parish:
The smallest parish in Louisiana is Tensas Parish , with a population of just 3,836. This total represents a decrease of 0.1% since the last census count was performed.
Other small parishes include:
Livingston Parish , with its sizeable population of 157,518, has shown the largest population growth, with an increase of 0.1% since the last census.
On the other hand, Cameron Parish has had the largest decrease in population, with its 4,488 current residents totalling 0.2% less than the previous census.