50K
100K
150K
200K
250K
300K
350K
400K
450K
Top 5 Most Populous Parishes
455,101
428,849
360,235
279,429
257,996
64 Parishes
| Parish | 2025 Pop. ↓ | Area (mi²) | Density | Change (2020) |
|---|---|---|---|---|
| East Baton Rouge Parish | 455,101 | 456 | 998 | -0.18% |
| Jefferson Parish | 428,849 | 301 | 1,425 | -2.48% |
| Orleans Parish | 360,235 | 170 | 2,119 | -6.04% |
| St. Tammany Parish | 279,429 | 845 | 331 | 5.44% |
| Lafayette Parish | 257,996 | 269 | 959 | 6.53% |
| Caddo Parish | 223,326 | 879 | 254 | -5.73% |
| Calcasieu Parish | 209,248 | 1.1K | 197 | -3.35% |
| Ouachita Parish | 158,036 | 610 | 259 | -1.3% |
| Livingston Parish | 155,202 | 648 | 240 | 8.65% |
| Tangipahoa Parish | 141,647 | 791 | 179 | 5.99% |
| Ascension Parish | 135,114 | 290 | 466 | 6.4% |
| Bossier Parish | 131,824 | 840 | 157 | 2.38% |
| Rapides Parish | 125,345 | 1.3K | 95 | -3.33% |
| Terrebonne Parish | 103,692 | 1.2K | 84 | -5.23% |
| Lafourche Parish | 95,538 | 1.1K | 89 | -1.96% |
| St. Landry Parish | 80,409 | 924 | 87 | -2.31% |
| Iberia Parish | 67,378 | 575 | 117 | -3.83% |
| Vermilion Parish | 58,101 | 1.2K | 50 | 2.01% |
| Acadia Parish | 56,559 | 655 | 86 | -1.6% |
| St. Martin Parish | 51,314 | 737 | 70 | -0.58% |
| St. Charles Parish | 50,253 | 278 | 181 | -4.31% |
| Lincoln Parish | 48,353 | 472 | 102 | 0.1% |
| St. Mary Parish | 46,467 | 559 | 83 | -5.47% |
| Vernon Parish | 45,391 | 1.3K | 34 | -6.65% |
| Washington Parish | 45,229 | 670 | 68 | -0.28% |
| St. Bernard Parish | 44,921 | 378 | 119 | 2.42% |
| St. John the Baptist Parish | 39,773 | 214 | 186 | -6.1% |
| Avoyelles Parish | 38,226 | 832 | 46 | -3.57% |
| Beauregard Parish | 36,578 | 1.2K | 32 | -0.08% |
| Natchitoches Parish | 35,573 | 1.3K | 28 | -4.86% |
| Webster Parish | 34,924 | 593 | 59 | -5.32% |
| Evangeline Parish | 31,545 | 662 | 48 | -2.34% |
| Jefferson Davis Parish | 31,252 | 652 | 48 | -2.98% |
| Iberville Parish | 29,738 | 619 | 48 | -1.11% |
| West Baton Rouge Parish | 28,512 | 192 | 149 | 4.59% |
| De Soto Parish | 27,387 | 876 | 31 | 2% |
| Morehouse Parish | 23,519 | 795 | 30 | -7.62% |
| Allen Parish | 22,698 | 762 | 30 | 0.04% |
| Grant Parish | 22,289 | 644 | 35 | 0.61% |
| Plaquemines Parish | 22,222 | 781 | 28 | -5.26% |
| Sabine Parish | 21,556 | 867 | 25 | -2.5% |
| Union Parish | 20,548 | 877 | 23 | -2.62% |
| Assumption Parish | 19,877 | 344 | 58 | -5.18% |
| Pointe Coupee Parish | 19,695 | 557 | 35 | -4.74% |
| Richland Parish | 19,542 | 556 | 35 | -2.44% |
| St. James Parish | 19,002 | 238 | 80 | -5.55% |
| East Feliciana Parish | 18,966 | 453 | 42 | -2.45% |
| Franklin Parish | 18,949 | 624 | 30 | -3.88% |
| Concordia Parish | 17,585 | 697 | 25 | -5.3% |
| West Feliciana Parish | 14,983 | 403 | 37 | -1.83% |
| Jackson Parish | 14,727 | 569 | 26 | -1.79% |
| LaSalle Parish | 14,640 | 625 | 23 | -1.27% |
| Claiborne Parish | 13,431 | 755 | 18 | -4.8% |
| Winn Parish | 13,398 | 950 | 14 | -2.33% |
| Bienville Parish | 12,384 | 811 | 15 | -4.13% |
| St. Helena Parish | 10,899 | 409 | 27 | -0.01% |
| Caldwell Parish | 9,384 | 530 | 18 | -2.41% |
| West Carroll Parish | 9,201 | 360 | 26 | -5.08% |
| Madison Parish | 8,918 | 624 | 14 | -10.08% |
| Catahoula Parish | 8,122 | 708 | 11 | -8.19% |
| Red River Parish | 7,081 | 389 | 18 | -6.64% |
| East Carroll Parish | 6,905 | 421 | 16 | -6.61% |
| Cameron Parish | 4,583 | 1.3K | 4 | -18.51% |
| Tensas Parish | 3,840 | 603 | 6 | -6.52% |
There are 64 parishes in Louisiana.
East Baton Rouge Parish is the largest parish in the state, with a population of 455,101. The most recent census shows that its population has decreased 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 3,840. 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 155,202, 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 4,583 current residents totalling 0.2% less than the previous census.