Louisiana Parishes by Population (2026)
2026 Pop.
50K
100K
150K
200K
250K
300K
350K
400K
450K
Top 5 Most Populous Parishes
458,188
430,392
360,831
280,551
261,224
| Parish | 2026 Pop. ↓ | Area (mi²) | Density (/mi²) | Change (2020) |
|---|---|---|---|---|
| East Baton Rouge Parish | 458,188 | 456 | 1,005 | 0.5% |
| Jefferson Parish | 430,392 | 301 | 1,430 | -2.11% |
| Orleans Parish | 360,831 | 170 | 2,123 | -5.88% |
| St. Tammany Parish | 280,551 | 845 | 332 | 5.87% |
| Lafayette Parish | 261,224 | 269 | 971 | 7.87% |
| Caddo Parish | 223,135 | 879 | 254 | -5.86% |
| Calcasieu Parish | 209,905 | 1.1K | 197 | -3.03% |
| Ouachita Parish | 158,338 | 610 | 260 | -1.1% |
| Livingston Parish | 156,927 | 648 | 242 | 9.87% |
| Tangipahoa Parish | 142,709 | 791 | 180 | 6.78% |
| Ascension Parish | 136,183 | 290 | 470 | 7.25% |
| Bossier Parish | 132,566 | 840 | 158 | 3.05% |
| Rapides Parish | 125,830 | 1.3K | 95 | -2.95% |
| Terrebonne Parish | 104,211 | 1.2K | 85 | -4.76% |
| Lafourche Parish | 95,518 | 1.1K | 89 | -1.95% |
| St. Landry Parish | 80,482 | 924 | 87 | -2.22% |
| Iberia Parish | 66,119 | 575 | 115 | -5.62% |
| Vermilion Parish | 57,737 | 1.2K | 49 | 1.37% |
| Acadia Parish | 56,961 | 655 | 87 | -0.91% |
| St. Martin Parish | 50,911 | 737 | 69 | -1.37% |
| St. Charles Parish | 50,514 | 278 | 182 | -3.81% |
| Lincoln Parish | 48,488 | 472 | 103 | 0.39% |
| St. Mary Parish | 46,131 | 559 | 83 | -6.14% |
| St. Bernard Parish | 45,901 | 378 | 121 | 4.66% |
| Washington Parish | 44,736 | 670 | 67 | -1.37% |
| Vernon Parish | 44,103 | 1.3K | 33 | -9.31% |
| St. John the Baptist Parish | 39,785 | 214 | 186 | -6.08% |
| Avoyelles Parish | 37,549 | 832 | 45 | -5.29% |
| Beauregard Parish | 36,708 | 1.2K | 32 | 0.28% |
| Natchitoches Parish | 35,993 | 1.3K | 29 | -3.76% |
| Webster Parish | 34,697 | 593 | 59 | -5.93% |
| Evangeline Parish | 31,946 | 662 | 48 | -1.1% |
| Jefferson Davis Parish | 31,415 | 652 | 48 | -2.55% |
| Iberville Parish | 29,467 | 619 | 48 | -2.01% |
| West Baton Rouge Parish | 28,969 | 192 | 151 | 6.25% |
| De Soto Parish | 27,483 | 876 | 31 | 2.4% |
| Morehouse Parish | 23,488 | 795 | 30 | -7.74% |
| Allen Parish | 22,610 | 762 | 30 | -0.27% |
| Plaquemines Parish | 22,127 | 781 | 28 | -5.85% |
| Grant Parish | 22,031 | 644 | 34 | -0.54% |
| Sabine Parish | 21,866 | 867 | 25 | -1.04% |
| Union Parish | 20,361 | 877 | 23 | -3.49% |
| Richland Parish | 19,498 | 556 | 35 | -2.65% |
| Assumption Parish | 19,420 | 344 | 56 | -7.36% |
| Pointe Coupee Parish | 19,177 | 557 | 34 | -7.25% |
| Franklin Parish | 18,861 | 624 | 30 | -4.33% |
| East Feliciana Parish | 18,833 | 453 | 42 | -3.16% |
| St. James Parish | 18,764 | 238 | 79 | -6.73% |
| Concordia Parish | 17,574 | 697 | 25 | -5.38% |
| Jackson Parish | 15,915 | 569 | 28 | 6.13% |
| Winn Parish | 15,156 | 950 | 16 | 10.47% |
| LaSalle Parish | 15,144 | 625 | 24 | 2.16% |
| West Feliciana Parish | 15,071 | 403 | 37 | -1.14% |
| Claiborne Parish | 13,169 | 755 | 17 | -6.66% |
| Bienville Parish | 12,169 | 811 | 15 | -5.78% |
| St. Helena Parish | 10,716 | 409 | 26 | -1.54% |
| Caldwell Parish | 9,256 | 530 | 17 | -3.74% |
| West Carroll Parish | 9,056 | 360 | 25 | -6.58% |
| Madison Parish | 8,612 | 624 | 14 | -13.26% |
| Catahoula Parish | 8,080 | 708 | 11 | -8.66% |
| Red River Parish | 7,083 | 389 | 18 | -6.59% |
| East Carroll Parish | 6,615 | 421 | 16 | -10.58% |
| Cameron Parish | 4,663 | 1.3K | 3.6 | -17.04% |
| Tensas Parish | 3,582 | 603 | 5.9 | -12.78% |
Sources
- US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
- American Community Survey (2009 - 2013)
- Census QuickFacts
- Historical Populations of States and Counties (1790 - 1990)