Patient Advocacy Without the Call Center
The data layer behind our Mississippi guide and all 63 city pages, in one place: CMS enrollment, Census demographics, and federal shortage designations, county by county.
Coverage data 2026. Plan networks change - we confirm exactly what your plan covers before any work begins.
The 47 of Mississippi's 82 counties that our city pages cover, with 536,902 beneficiaries. Each county links to its anchor city page.
| County or city | Medicare beneficiaries | Medicare Advantage share | Dual-eligible | Residents 65+ | Shortage designations |
|---|---|---|---|---|---|
| Harrison County | 46,610 | 48.5% | 9,295 | 33,787 | 2 |
| Hinds County | 45,297 | 53.4% | 12,585 | 34,982 | 3 |
| DeSoto County | 32,599 | 37.1% | 4,058 | 25,074 | 0 |
| Jackson County | 30,997 | 50.2% | 4,945 | 24,349 | 1 |
| Rankin County | 30,697 | 34.7% | 4,475 | 25,835 | 3 |
| Madison County | 22,632 | 32.9% | 3,201 | 16,385 | 3 |
| Lee County | 19,031 | 36.1% | 4,472 | 12,772 | 1 |
| Forrest County | 16,190 | 49% | 3,874 | 10,647 | 2 |
| Lauderdale County | 15,939 | 41% | 3,966 | 13,121 | 4 |
| Jones County | 15,177 | 45.3% | 3,589 | 11,600 | 4 |
| Pearl River County | 14,189 | 52.9% | 2,821 | 10,948 | 2 |
| Lowndes County | 12,660 | 37.4% | 3,174 | 9,856 | 1 |
| Hancock County | 11,673 | 56.3% | 2,078 | 10,080 | 1 |
| Washington County | 10,625 | 53.4% | 4,176 | 7,669 | 2 |
| Warren County | 10,390 | 42.3% | 2,638 | 7,911 | 1 |
| Lafayette County | 9,399 | 22% | 1,535 | 7,543 | 1 |
| Pike County | 9,307 | 52.5% | 2,827 | 6,976 | 1 |
| Marshall County | 9,004 | 49.8% | 2,333 | 6,317 | 3 |
| Alcorn County | 8,901 | 23.2% | 2,433 | 6,477 | 1 |
| Monroe County | 8,770 | 38.3% | 2,226 | 6,752 | 2 |
| Panola County | 8,144 | 48.3% | 2,580 | 5,634 | 2 |
| Lincoln County | 7,757 | 37.8% | 1,890 | 6,035 | 1 |
| Adams County | 7,654 | 43.3% | 2,227 | 6,271 | 1 |
| Oktibbeha County | 7,644 | 34.2% | 1,754 | 6,121 | 1 |
| Bolivar County | 7,338 | 50.5% | 2,786 | 5,025 | 3 |
| Copiah County | 6,676 | 52.8% | 1,979 | 5,184 | 1 |
| Pontotoc County | 6,590 | 34.9% | 1,618 | 4,757 | 1 |
| Union County | 6,430 | 32.3% | 1,494 | 4,613 | 1 |
| Neshoba County | 6,216 | 37% | 1,683 | 4,839 | 6 |
| Tate County | 6,194 | 43.3% | 1,373 | 4,630 | 1 |
| Leflore County | 6,015 | 50.3% | 2,537 | 4,135 | 1 |
| Marion County | 5,998 | 51.8% | 1,787 | 4,557 | 2 |
| Scott County | 5,776 | 49.7% | 1,893 | 4,424 | 3 |
| George County | 5,699 | 50.6% | 1,155 | 3,776 | 1 |
| Grenada County | 5,599 | 37.6% | 1,667 | 3,947 | 1 |
| Prentiss County | 5,493 | 28.8% | 1,513 | 4,351 | 1 |
| Tippah County | 5,355 | 32.8% | 1,555 | 3,678 | 1 |
| Tishomingo County | 5,248 | 25.9% | 1,294 | 3,920 | 1 |
| Yazoo County | 5,122 | 49.3% | 1,815 | 3,763 | 2 |
| Sunflower County | 5,104 | 55.9% | 2,230 | 3,740 | 2 |
| Coahoma County | 5,011 | 52.1% | 2,249 | 3,360 | 2 |
| Clay County | 4,762 | 47% | 1,336 | 3,582 | 1 |
| Leake County | 4,760 | 46.9% | 1,433 | 3,823 | 3 |
| Winston County | 4,563 | 40.1% | 1,300 | 3,721 | 2 |
| Attala County | 4,432 | 47.6% | 1,461 | 3,425 | 1 |
| Wayne County | 4,408 | 49.4% | 1,292 | 3,479 | 1 |
| Montgomery County | 2,827 | 39% | 942 | 2,172 | 1 |
Statewide, 44.1% of beneficiaries chose Medicare Advantage in 2025. Counties above that line see more prior authorizations and more denials worth appealing; counties below it lean on Medigap, where Mississippi has no birthday rule: after the six-month open enrollment, switching supplements usually means health questions unless a federal guaranteed issue right applies. About 14.3% of Mississippi seniors live below the poverty line, the group most likely to qualify for unclaimed help: Extra Help and Mississippi's Medicare Savings Programs, which the Division of Medicaid decides on income alone, with no resource test. For the full rundown, sources included, see our Mississippi patient advocacy hub.
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Read moreSources: CMS Medicare Monthly Enrollment (2025); US Census Bureau ACS 2023 5-year; CMS Care Compare Timely & Effective Care (median ER minutes, period ending 09/30/2025); HRSA Health Professional Shortage Area designation file. Data retrieved 2026-10-14. Understood Care is an independent private advocacy service, not a government agency.