Louisiana Parishes by Population (2025)

2025 Pop.

50K

100K

150K

200K

250K

300K

350K

400K

450K

Top 5 Most Populous Parishes

64 Parishes

Parish
2025 Pop. ↓
Area (mi²)
Density
Change (2020)
East Baton Rouge Parish455,101456998-0.18%
Jefferson Parish428,8493011,425-2.48%
Orleans Parish360,2351702,119-6.04%
St. Tammany Parish279,4298453315.44%
Lafayette Parish257,9962699596.53%
Caddo Parish223,326879254-5.73%
Calcasieu Parish209,2481.1K197-3.35%
Ouachita Parish158,036610259-1.3%
Livingston Parish155,2026482408.65%
Tangipahoa Parish141,6477911795.99%
Ascension Parish135,1142904666.4%
Bossier Parish131,8248401572.38%
Rapides Parish125,3451.3K95-3.33%
Terrebonne Parish103,6921.2K84-5.23%
Lafourche Parish95,5381.1K89-1.96%
St. Landry Parish80,40992487-2.31%
Iberia Parish67,378575117-3.83%
Vermilion Parish58,1011.2K502.01%
Acadia Parish56,55965586-1.6%
St. Martin Parish51,31473770-0.58%
St. Charles Parish50,253278181-4.31%
Lincoln Parish48,3534721020.1%
St. Mary Parish46,46755983-5.47%
Vernon Parish45,3911.3K34-6.65%
Washington Parish45,22967068-0.28%
St. Bernard Parish44,9213781192.42%
St. John the Baptist Parish39,773214186-6.1%
Avoyelles Parish38,22683246-3.57%
Beauregard Parish36,5781.2K32-0.08%
Natchitoches Parish35,5731.3K28-4.86%
Webster Parish34,92459359-5.32%
Evangeline Parish31,54566248-2.34%
Jefferson Davis Parish31,25265248-2.98%
Iberville Parish29,73861948-1.11%
West Baton Rouge Parish28,5121921494.59%
De Soto Parish27,387876312%
Morehouse Parish23,51979530-7.62%
Allen Parish22,698762300.04%
Grant Parish22,289644350.61%
Plaquemines Parish22,22278128-5.26%
Sabine Parish21,55686725-2.5%
Union Parish20,54887723-2.62%
Assumption Parish19,87734458-5.18%
Pointe Coupee Parish19,69555735-4.74%
Richland Parish19,54255635-2.44%
St. James Parish19,00223880-5.55%
East Feliciana Parish18,96645342-2.45%
Franklin Parish18,94962430-3.88%
Concordia Parish17,58569725-5.3%
West Feliciana Parish14,98340337-1.83%
Jackson Parish14,72756926-1.79%
LaSalle Parish14,64062523-1.27%
Claiborne Parish13,43175518-4.8%
Winn Parish13,39895014-2.33%
Bienville Parish12,38481115-4.13%
St. Helena Parish10,89940927-0.01%
Caldwell Parish9,38453018-2.41%
West Carroll Parish9,20136026-5.08%
Madison Parish8,91862414-10.08%
Catahoula Parish8,12270811-8.19%
Red River Parish7,08138918-6.64%
East Carroll Parish6,90542116-6.61%
Cameron Parish4,5831.3K4-18.51%
Tensas Parish3,8406036-6.52%

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 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:

Louisiana Parishes with the Fewest Residents

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:

Louisiana Parishes with Rapid Growth

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.

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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