Medicare in South Carolina by county

Most people with Medicare

Across South Carolina, 1,289,149 people had Medicare in July 2026, 47% of them in Medicare Advantage or another Medicare health plan. The counties with the most:

1. Horry County 138,733 with Medicare · 46% in Medicare Advantage · 28 Advantage plans with drug coverage
2. Greenville County 121,205 with Medicare · 49% in Medicare Advantage · 38 Advantage plans with drug coverage
3. Charleston County 86,472 with Medicare · 36% in Medicare Advantage · 32 Advantage plans with drug coverage
4. Richland County 78,198 with Medicare · 43% in Medicare Advantage · 28 Advantage plans with drug coverage
5. Spartanburg County 76,429 with Medicare · 54% in Medicare Advantage · 38 Advantage plans with drug coverage
6. Lexington County 68,280 with Medicare · 42% in Medicare Advantage · 26 Advantage plans with drug coverage
7. Beaufort County 63,581 with Medicare · 32% in Medicare Advantage · 20 Advantage plans with drug coverage
8. York County 58,148 with Medicare · 47% in Medicare Advantage · 35 Advantage plans with drug coverage
9. Berkeley County 49,961 with Medicare · 43% in Medicare Advantage · 33 Advantage plans with drug coverage
10. Anderson County 49,442 with Medicare · 54% in Medicare Advantage · 35 Advantage plans with drug coverage

All 46 counties, A to Z

• Abbeville County6,489 with Medicare · 52% in Medicare Advantage · 27 Advantage plans with drug coverage
• Aiken County45,358 with Medicare · 44% in Medicare Advantage · 28 Advantage plans with drug coverage
• Allendale County2,128 with Medicare · 60% in Medicare Advantage · 27 Advantage plans with drug coverage
• Anderson County49,442 with Medicare · 54% in Medicare Advantage · 35 Advantage plans with drug coverage
• Bamberg County3,497 with Medicare · 59% in Medicare Advantage · 31 Advantage plans with drug coverage
• Barnwell County5,358 with Medicare · 54% in Medicare Advantage · 28 Advantage plans with drug coverage
• Beaufort County63,581 with Medicare · 32% in Medicare Advantage · 20 Advantage plans with drug coverage
• Berkeley County49,961 with Medicare · 43% in Medicare Advantage · 33 Advantage plans with drug coverage
• Calhoun County3,787 with Medicare · 51% in Medicare Advantage · 25 Advantage plans with drug coverage
• Charleston County86,472 with Medicare · 36% in Medicare Advantage · 32 Advantage plans with drug coverage
• Cherokee County13,193 with Medicare · 56% in Medicare Advantage · 29 Advantage plans with drug coverage
• Chester County8,332 with Medicare · 55% in Medicare Advantage · 23 Advantage plans with drug coverage
• Chesterfield County10,509 with Medicare · 52% in Medicare Advantage · 19 Advantage plans with drug coverage
• Clarendon County9,690 with Medicare · 52% in Medicare Advantage · 23 Advantage plans with drug coverage
• Colleton County10,562 with Medicare · 51% in Medicare Advantage · 33 Advantage plans with drug coverage
• Darlington County16,350 with Medicare · 50% in Medicare Advantage · 18 Advantage plans with drug coverage
• Dillon County6,842 with Medicare · 59% in Medicare Advantage · 24 Advantage plans with drug coverage
• Dorchester County33,984 with Medicare · 43% in Medicare Advantage · 33 Advantage plans with drug coverage
• Edgefield County7,156 with Medicare · 49% in Medicare Advantage · 30 Advantage plans with drug coverage
• Fairfield County6,356 with Medicare · 54% in Medicare Advantage · 32 Advantage plans with drug coverage
• Florence County32,510 with Medicare · 46% in Medicare Advantage · 21 Advantage plans with drug coverage
• Georgetown County22,319 with Medicare · 43% in Medicare Advantage · 31 Advantage plans with drug coverage
• Greenville County121,205 with Medicare · 49% in Medicare Advantage · 38 Advantage plans with drug coverage
• Greenwood County17,831 with Medicare · 48% in Medicare Advantage · 25 Advantage plans with drug coverage
• Hampton County5,053 with Medicare · 56% in Medicare Advantage · 28 Advantage plans with drug coverage
• Horry County138,733 with Medicare · 46% in Medicare Advantage · 28 Advantage plans with drug coverage
• Jasper County10,700 with Medicare · 42% in Medicare Advantage · 31 Advantage plans with drug coverage
• Kershaw County18,197 with Medicare · 46% in Medicare Advantage · 29 Advantage plans with drug coverage
• Lancaster County27,627 with Medicare · 45% in Medicare Advantage · 22 Advantage plans with drug coverage
• Laurens County16,911 with Medicare · 54% in Medicare Advantage · 30 Advantage plans with drug coverage
• Lee County4,115 with Medicare · 57% in Medicare Advantage · 26 Advantage plans with drug coverage
• Lexington County68,280 with Medicare · 42% in Medicare Advantage · 26 Advantage plans with drug coverage
• Marion County8,236 with Medicare · 57% in Medicare Advantage · 30 Advantage plans with drug coverage
• Marlboro County6,500 with Medicare · 61% in Medicare Advantage · 22 Advantage plans with drug coverage
• McCormick County4,877 with Medicare · 49% in Medicare Advantage · 27 Advantage plans with drug coverage
• Newberry County10,595 with Medicare · 44% in Medicare Advantage · 29 Advantage plans with drug coverage
• Oconee County25,497 with Medicare · 47% in Medicare Advantage · 29 Advantage plans with drug coverage
• Orangeburg County22,224 with Medicare · 58% in Medicare Advantage · 23 Advantage plans with drug coverage
• Pickens County30,826 with Medicare · 54% in Medicare Advantage · 36 Advantage plans with drug coverage
• Richland County78,198 with Medicare · 43% in Medicare Advantage · 28 Advantage plans with drug coverage
• Saluda County3,628 with Medicare · 48% in Medicare Advantage · 31 Advantage plans with drug coverage
• Spartanburg County76,429 with Medicare · 54% in Medicare Advantage · 38 Advantage plans with drug coverage
• Sumter County24,830 with Medicare · 50% in Medicare Advantage · 24 Advantage plans with drug coverage
• Union County7,578 with Medicare · 61% in Medicare Advantage · 28 Advantage plans with drug coverage
• Williamsburg County9,055 with Medicare · 59% in Medicare Advantage · 31 Advantage plans with drug coverage
• York County58,148 with Medicare · 47% in Medicare Advantage · 35 Advantage plans with drug coverage

Sources: CMS Medicare Monthly Enrollment, July 2026, and the CMS 2027 plan landscape. Medicare Advantage here includes other Medicare health plans, such as cost plans and PACE. Before you meet any agent, check their South Carolina license.

Keep reading

• How to find a good Medicare agent near youWhere to look for a local Medicare agent, how to narrow the list to one or two, and the five-minute checks to do before you share anything.
• Medicare Open Enrollment checklist: what to check before December 7A step-by-step checklist for the October 15 to December 7, 2026 Open Enrollment Period: what to read in your plan's letter, what's changing for 2027, what you can switch, and what happens if you do nothing.
• Moving to another state with Medicare: what changes and what to doOriginal Medicare moves with you; most Medicare Advantage and drug plans don't. What happens to each kind of coverage when you move, your window to switch, and why your agent must be licensed in your new state.