Louisiana Medicare numbers by parish
Medicare Advantage and Part D plans are offered parish by parish, so the plans open to you depend on where you live. Pick your parish to see local figures and free help in your area.
| Parish | Residents 65+ | People with Medicare | Medicare Advantage share |
|---|---|---|---|
| Acadia Parish | 9,578 | 12,645 | 48.7% |
| Allen Parish | 3,329 | 4,945 | 43.5% |
| Ascension Parish | 18,017 | 22,237 | 68.5% |
| Assumption Parish | 4,199 | 5,240 | 62.7% |
| Avoyelles Parish | 7,092 | 9,462 | 47.9% |
| Beauregard Parish | 6,094 | 7,810 | 39.6% |
| Bienville Parish | 2,651 | 3,545 | 53.6% |
| Bossier Parish | 20,693 | 24,034 | 43.5% |
| Caddo Parish | 44,291 | 53,821 | 54.6% |
| Calcasieu Parish | 34,222 | 41,048 | 45.2% |
| Caldwell Parish | 1,792 | 2,317 | 51.0% |
| Cameron Parish | 966 | 1,223 | 29.8% |
| Catahoula Parish | 1,630 | 2,431 | 46.7% |
| Claiborne Parish | 3,132 | 3,562 | 44.5% |
| Concordia Parish | 3,552 | 4,458 | 45.1% |
| De Soto Parish | 5,232 | 6,854 | 54.3% |
| East Baton Rouge Parish | 70,903 | 84,670 | 65.3% |
| East Carroll Parish | 1,085 | 1,443 | 52.9% |
| East Feliciana Parish | 3,949 | 5,122 | 59.6% |
| Evangeline Parish | 5,187 | 7,235 | 44.5% |
| Franklin Parish | 3,802 | 4,847 | 44.9% |
| Grant Parish | 3,507 | 4,755 | 43.1% |
| Iberia Parish | 11,663 | 16,182 | 53.5% |
| Iberville Parish | 5,300 | 7,075 | 70.4% |
| Jackson Parish | 3,106 | 3,770 | 45.0% |
| Jefferson Davis Parish | 5,494 | 6,586 | 40.1% |
| Jefferson Parish | 82,284 | 95,206 | 71.2% |
| LaSalle Parish | 2,410 | 3,098 | 35.3% |
| Lafayette Parish | 38,539 | 48,418 | 41.6% |
| Lafourche Parish | 16,421 | 20,783 | 59.9% |
| Lincoln Parish | 7,030 | 8,162 | 46.0% |
| Livingston Parish | 21,341 | 25,725 | 70.0% |
| Madison Parish | 1,712 | 2,187 | 46.8% |
| Morehouse Parish | 4,858 | 6,779 | 54.1% |
| Natchitoches Parish | 6,283 | 8,236 | 45.8% |
| Orleans Parish | 66,128 | 70,814 | 68.0% |
| Ouachita Parish | 25,711 | 31,759 | 49.5% |
| Plaquemines Parish | 3,388 | 4,199 | 69.0% |
| Pointe Coupee Parish | 4,633 | 5,371 | 65.6% |
| Rapides Parish | 22,178 | 29,469 | 42.5% |
| Red River Parish | 1,474 | 1,801 | 52.2% |
| Richland Parish | 3,755 | 4,876 | 52.2% |
| Sabine Parish | 4,729 | 5,735 | 44.8% |
| St. Bernard Parish | 6,131 | 7,681 | 71.8% |
| St. Charles Parish | 8,234 | 10,777 | 74.5% |
| St. Helena Parish | 2,326 | 3,411 | 52.4% |
| St. James Parish | 3,921 | 4,994 | 70.3% |
| St. John the Baptist Parish | 6,479 | 9,209 | 74.8% |
| St. Landry Parish | 14,069 | 20,770 | 48.6% |
| St. Martin Parish | 9,074 | 12,374 | 52.4% |
| St. Mary Parish | 9,165 | 11,746 | 61.3% |
| St. Tammany Parish | 52,409 | 63,387 | 61.8% |
| Tangipahoa Parish | 21,576 | 27,453 | 65.4% |
| Tensas Parish | 1,084 | 1,255 | 50.9% |
| Terrebonne Parish | 17,018 | 22,916 | 59.5% |
| Union Parish | 4,844 | 5,828 | 44.2% |
| Vermilion Parish | 9,725 | 12,794 | 49.0% |
| Vernon Parish | 6,645 | 8,128 | 36.6% |
| Washington Parish | 8,827 | 11,138 | 61.1% |
| Webster Parish | 7,340 | 9,876 | 49.2% |
| West Baton Rouge Parish | 4,331 | 5,519 | 68.7% |
| West Carroll Parish | 2,054 | 2,830 | 45.4% |
| West Feliciana Parish | 2,508 | 2,545 | 51.8% |
| Winn Parish | 2,555 | 2,975 | 43.5% |
Sources: U.S. Census Bureau 2023 population estimates; CMS Medicare Advantage State/County Penetration, September 2026. Medicare Advantage share = people enrolled in a Medicare Advantage plan divided by people with Medicare. “n/a” means CMS does not publish a figure for very small counties.
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