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Louisiana parishes

Medicare Advantage and marketplace plans are set by area, so start with your parish. 64 listed.

ParishPopulation (2023 est.)Rank in LouisianaMedicare plans leaving (2027)
Acadia Parish56,4891914
Allen Parish22,1123913
Ascension Parish131,6321115
Assumption Parish20,1604315
Avoyelles Parish38,4082813
Beauregard Parish36,8272913
Bienville Parish12,3665514
Bossier Parish129,7951213
Caddo Parish226,386613
Calcasieu Parish203,761714
Caldwell Parish9,3895716
Cameron Parish4,7686313
Catahoula Parish8,4146014
Claiborne Parish13,6705312
Concordia Parish17,6884917
De Soto Parish27,1143612
East Baton Rouge Parish448,467115
East Carroll Parish6,8296215
East Feliciana Parish19,2294717
Evangeline Parish31,7543213
Franklin Parish19,2854611
Grant Parish21,9114015
Iberia Parish67,6591713
Iberville Parish29,6173416
Jackson Parish14,7465215
Jefferson Davis Parish31,5533314
Jefferson Parish421,777213
Lafayette Parish249,750514
Lafourche Parish95,0561514
LaSalle Parish14,8005116
Lincoln Parish47,9622211
Livingston Parish150,145915
Madison Parish9,2465917
Morehouse Parish23,9553711
Natchitoches Parish36,2913015
Orleans Parish364,136313
Ouachita Parish157,568811
Plaquemines Parish22,3863818
Pointe Coupee Parish20,0004421
Rapides Parish126,2601315
Red River Parish7,3566114
Richland Parish19,7124511
Sabine Parish21,9064113
St. Bernard Parish44,4632620
St. Charles Parish50,6202113
St. Helena Parish10,7745617
St. James Parish19,1914821
St. John the Baptist Parish39,5922719
St. Landry Parish81,4641613
St. Martin Parish51,0572016
St. Mary Parish47,0552317
St. Tammany Parish275,583419
Tangipahoa Parish138,0641015
Tensas Parish3,7646415
Terrebonne Parish103,6161414
Union Parish20,6504213
Vermilion Parish56,9921814
Vernon Parish46,2502413
Washington Parish44,8652513
Webster Parish35,2383110
West Baton Rouge Parish28,2663520
West Carroll Parish9,3235815
West Feliciana Parish15,3715018
Winn Parish13,2165413

Population: U.S. Census Bureau Population Estimates, 2023.

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Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.

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Medicare

Medicare Open Enrollment starts October 15th

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Under 65 · ACA

ACA Open Enrollment opens November 1st

Take a look at Louisiana plans, or go ahead and enroll yourself when it opens. Call if you need any help with your application.

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