Louisiana Parishes by Population (2025)

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Top 5 Most Populous Parishes

Louisiana flag East Baton Rouge Parish

445,219
Louisiana flag Jefferson Parish

413,271
Louisiana flag Orleans Parish

352,574
Louisiana flag St. Tammany Parish

280,275
Louisiana flag Lafayette Parish

253,822

64 Parishes

Parish
2025 Pop. ↓
Area (mi²)
Density
Change (2020)
East Baton Rouge Parish445,219456976-2.34%
Jefferson Parish413,2713011,373-6.02%
Orleans Parish352,5741702,074-8%
St. Tammany Parish280,2758453325.76%
Lafayette Parish253,8222699444.82%
Caddo Parish221,290879252-6.61%
Calcasieu Parish206,7071,064194-4.51%
Ouachita Parish157,296610258-1.76%
Livingston Parish154,3236482388.04%
Tangipahoa Parish140,5947911785.19%
Ascension Parish133,9262904625.47%
Bossier Parish131,0798401561.83%
Rapides Parish124,7241,32494-3.8%
Terrebonne Parish101,5841,23083-7.15%
Lafourche Parish93,6661,06888-3.89%
St. Landry Parish81,03492488-1.56%
Iberia Parish66,337575115-5.31%
Vermilion Parish57,0701,172490.2%
Acadia Parish56,01765586-2.54%
St. Martin Parish50,67373769-1.86%
St. Charles Parish49,744278179-5.27%
Lincoln Parish47,926472102-0.79%
St. Mary Parish45,52755981-7.36%
Vernon Parish45,0101,32734-7.43%
Washington Parish44,61367067-1.64%
St. Bernard Parish44,5513781181.58%
St. John the Baptist Parish38,866214182-8.26%
Avoyelles Parish37,79483245-4.67%
Beauregard Parish37,2331,157321.72%
Natchitoches Parish35,5771,25328-4.84%
Webster Parish34,66059358-6.03%
Evangeline Parish31,19666247-3.41%
Jefferson Davis Parish30,80165247-4.37%
Iberville Parish29,62561948-1.46%
West Baton Rouge Parish28,7301921505.38%
De Soto Parish27,630876322.92%
Morehouse Parish23,03779529-9.53%
Plaquemines Parish21,92278128-6.56%
Sabine Parish21,77086725-1.49%
Allen Parish21,76276229-4.08%
Grant Parish21,65364434-2.24%
Union Parish20,49287723-2.84%
Pointe Coupee Parish19,57655735-5.31%
Richland Parish19,56855635-2.29%
Assumption Parish19,55434457-6.72%
East Feliciana Parish19,27145343-0.95%
Franklin Parish19,13962431-2.91%
St. James Parish18,79723879-6.58%
Concordia Parish17,01269724-8.38%
West Feliciana Parish15,321403380.41%
LaSalle Parish14,75862524-0.44%
Jackson Parish14,60656926-2.61%
Claiborne Parish13,31275518-5.61%
Winn Parish13,14695014-4.18%
Bienville Parish11,87481115-8.05%
St. Helena Parish10,74440926-1.41%
Caldwell Parish9,18153017-4.51%
West Carroll Parish9,00736025-7.11%
Madison Parish8,77862414-11.57%
Catahoula Parish8,03470811-9.16%
Red River Parish7,13838918-5.86%
East Carroll Parish6,60942116-10.65%
Cameron Parish4,5121,2854-19.76%
Tensas Parish3,6646036-10.79%

Overview of Louisiana Parishes

There are 64 parishes in Louisiana.

East Baton Rouge Parish is the largest parish in the state, with a population of 445,219. The most recent census shows that its population has decreased by 0.02% 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:

Louisiana Parishes with the Fewest Residents

The smallest parish in Louisiana is Tensas Parish, with a population of just 3,664. This total represents a decrease of 0.1% since the last census count was performed.

Other small parishes include:

Louisiana Parishes with Rapid Growth

Livingston Parish, with its sizeable population of 154,323, 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 4,512 current residents totalling 0.2% less than the previous census.

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)

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