Louisiana Parishes by Population (2025)
Top 5 Most Populous Parishes
445,219
413,271
352,574
280,275
253,822
64 Parishes
| Parish | 2025 Pop. ↓ | Area (mi²) | Density | Change (2020) |
|---|---|---|---|---|
| East Baton Rouge Parish | 445,219 | 456 | 976 | -2.34% |
| Jefferson Parish | 413,271 | 301 | 1,373 | -6.02% |
| Orleans Parish | 352,574 | 170 | 2,074 | -8% |
| St. Tammany Parish | 280,275 | 845 | 332 | 5.76% |
| Lafayette Parish | 253,822 | 269 | 944 | 4.82% |
| Caddo Parish | 221,290 | 879 | 252 | -6.61% |
| Calcasieu Parish | 206,707 | 1,064 | 194 | -4.51% |
| Ouachita Parish | 157,296 | 610 | 258 | -1.76% |
| Livingston Parish | 154,323 | 648 | 238 | 8.04% |
| Tangipahoa Parish | 140,594 | 791 | 178 | 5.19% |
| Ascension Parish | 133,926 | 290 | 462 | 5.47% |
| Bossier Parish | 131,079 | 840 | 156 | 1.83% |
| Rapides Parish | 124,724 | 1,324 | 94 | -3.8% |
| Terrebonne Parish | 101,584 | 1,230 | 83 | -7.15% |
| Lafourche Parish | 93,666 | 1,068 | 88 | -3.89% |
| St. Landry Parish | 81,034 | 924 | 88 | -1.56% |
| Iberia Parish | 66,337 | 575 | 115 | -5.31% |
| Vermilion Parish | 57,070 | 1,172 | 49 | 0.2% |
| Acadia Parish | 56,017 | 655 | 86 | -2.54% |
| St. Martin Parish | 50,673 | 737 | 69 | -1.86% |
| St. Charles Parish | 49,744 | 278 | 179 | -5.27% |
| Lincoln Parish | 47,926 | 472 | 102 | -0.79% |
| St. Mary Parish | 45,527 | 559 | 81 | -7.36% |
| Vernon Parish | 45,010 | 1,327 | 34 | -7.43% |
| Washington Parish | 44,613 | 670 | 67 | -1.64% |
| St. Bernard Parish | 44,551 | 378 | 118 | 1.58% |
| St. John the Baptist Parish | 38,866 | 214 | 182 | -8.26% |
| Avoyelles Parish | 37,794 | 832 | 45 | -4.67% |
| Beauregard Parish | 37,233 | 1,157 | 32 | 1.72% |
| Natchitoches Parish | 35,577 | 1,253 | 28 | -4.84% |
| Webster Parish | 34,660 | 593 | 58 | -6.03% |
| Evangeline Parish | 31,196 | 662 | 47 | -3.41% |
| Jefferson Davis Parish | 30,801 | 652 | 47 | -4.37% |
| Iberville Parish | 29,625 | 619 | 48 | -1.46% |
| West Baton Rouge Parish | 28,730 | 192 | 150 | 5.38% |
| De Soto Parish | 27,630 | 876 | 32 | 2.92% |
| Morehouse Parish | 23,037 | 795 | 29 | -9.53% |
| Plaquemines Parish | 21,922 | 781 | 28 | -6.56% |
| Sabine Parish | 21,770 | 867 | 25 | -1.49% |
| Allen Parish | 21,762 | 762 | 29 | -4.08% |
| Grant Parish | 21,653 | 644 | 34 | -2.24% |
| Union Parish | 20,492 | 877 | 23 | -2.84% |
| Pointe Coupee Parish | 19,576 | 557 | 35 | -5.31% |
| Richland Parish | 19,568 | 556 | 35 | -2.29% |
| Assumption Parish | 19,554 | 344 | 57 | -6.72% |
| East Feliciana Parish | 19,271 | 453 | 43 | -0.95% |
| Franklin Parish | 19,139 | 624 | 31 | -2.91% |
| St. James Parish | 18,797 | 238 | 79 | -6.58% |
| Concordia Parish | 17,012 | 697 | 24 | -8.38% |
| West Feliciana Parish | 15,321 | 403 | 38 | 0.41% |
| LaSalle Parish | 14,758 | 625 | 24 | -0.44% |
| Jackson Parish | 14,606 | 569 | 26 | -2.61% |
| Claiborne Parish | 13,312 | 755 | 18 | -5.61% |
| Winn Parish | 13,146 | 950 | 14 | -4.18% |
| Bienville Parish | 11,874 | 811 | 15 | -8.05% |
| St. Helena Parish | 10,744 | 409 | 26 | -1.41% |
| Caldwell Parish | 9,181 | 530 | 17 | -4.51% |
| West Carroll Parish | 9,007 | 360 | 25 | -7.11% |
| Madison Parish | 8,778 | 624 | 14 | -11.57% |
| Catahoula Parish | 8,034 | 708 | 11 | -9.16% |
| Red River Parish | 7,138 | 389 | 18 | -5.86% |
| East Carroll Parish | 6,609 | 421 | 16 | -10.65% |
| Cameron Parish | 4,512 | 1,285 | 4 | -19.76% |
| Tensas Parish | 3,664 | 603 | 6 | -10.79% |
Overview of Louisiana Louisiana Parishes
There are 64 parishes in Louisiana.
The most populous parish in the state of Louisiana, with a population of 440,956, is East Baton Rouge Parish. Since the last U.S. census was taken in 2010, East Baton Rouge Parish has seen a population growth of just 0.09%.
Other major parishes in Louisiana following East Baton Rouge Parish are:
- Jefferson Parish: 434,051
- Orleans Parish: 391,006 (City of New Orleans, growth rate of 12.43%)
- St. Tammany Parish: 258,111
- Caddo Parish: 242,922 (City of Shreveport, growth rate of -4.96%)
- Lafayette Parish: 242,782 (City of Lafayette)
Of these parishes, only Caddo Parish reported a declining population with a growth rate of -4.96%. Orleans Parish experienced the most rapid growth at 12.43%.
Louisiana Parishes with the Fewest Residents
The least populous parish in the state of Louisiana, with a population of 4,462, is Tensas Parish. Tensas Parish has seen a decrease in its population since the census with a growth rate of -14.7% since the 2010 census.
Other small parishes in Louisiana include:
- Cameron Parish: 6,968 (growth rate of 0.75%)
- East Carroll Parish: 7,037
- Red River Parish: 8,477
- Catahoula Parish: 9,608
- Caldwell Parish: 9,960
All of these parishes have experienced a decline in population except Cameron Parish, which has grown 0.75%. Tensas Parish had the most significant population decline.
Louisiana Parishes with Rapid Growth
The parish with the most rapid rate of growth in Louisiana is St. Bernard Parish. Since 2010, St. Bernard Parish has seen an impressive growth rate of 26.88%, bringing the population up to 46,721.
Following St. Bernard Parish are:
- Ascension Parish: Growth rate of 15.56%
- Orleans Parish: Growth rate of 12.43%
- West Baton Rouge Parish: Growth rate of 10.32%
Tensas Parish has seen the most rapid decrease in population with a growth rate of -14.7% since 2010.
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)