CMS Medicare enrollment · April 2026
South Carolina Medicare Enrollment
State and county enrollment from CMS, including Original Medicare, Medicare Advantage and Other Health Plans, and Part D coverage.
Informational only. These enrollment counts do not compare plans or provide medical, financial, or enrollment advice.
South Carolina enrollment figures
- Total Medicare enrollment
- 1.3M
- Original Medicare
- 682.2K
- MA & Other share
- 46.7%
- Part D coverage
- 80.1%
1,280,009
682,239 beneficiaries
CMS combined delivery-system measure
1,025,526 beneficiaries
County enrollment
47 CMS county rows for South Carolina. Unavailable values remain marked as not reported rather than estimated.
| County | Total | Original Medicare | MA & Other | MA & Other share | Part D share |
|---|---|---|---|---|---|
| Abbeville County | 6,452 | 3,106 | 3,346 | 51.9% | 81.4% |
| Aiken County | 45,100 | 25,332 | 19,768 | 43.8% | 79.7% |
| Allendale County | 2,136 | 843 | 1,293 | 60.5% | 83% |
| Anderson County | 49,212 | 22,380 | 26,832 | 54.5% | 83.8% |
| Bamberg County | 3,501 | 1,434 | 2,067 | 59% | 83.6% |
| Barnwell County | 5,271 | 2,393 | 2,878 | 54.6% | 83.6% |
| Beaufort County | 63,293 | 42,821 | 20,472 | 32.3% | 80.3% |
| Berkeley County | 49,337 | 27,889 | 21,448 | 43.5% | 71.1% |
| Calhoun County | 3,780 | 1,823 | 1,957 | 51.8% | 80.8% |
| Charleston County | 85,964 | 54,534 | 31,430 | 36.6% | 75.8% |
| Cherokee County | 13,051 | 5,678 | 7,373 | 56.5% | 85.2% |
| Chester County | 8,290 | 3,703 | 4,587 | 55.3% | 82% |
| Chesterfield County | 10,474 | 5,069 | 5,405 | 51.6% | 81.3% |
| Clarendon County | 9,684 | 4,624 | 5,060 | 52.3% | 81.3% |
| Colleton County | 10,499 | 5,201 | 5,298 | 50.5% | 78.5% |
| Darlington County | 16,292 | 8,103 | 8,189 | 50.3% | 81.6% |
| Dillon County | 6,891 | 2,859 | 4,032 | 58.5% | 84.4% |
| Dorchester County | 33,729 | 19,115 | 14,614 | 43.3% | 71.2% |
| Edgefield County | 7,113 | 3,595 | 3,518 | 49.5% | 80.1% |
| Fairfield County | 6,338 | 2,906 | 3,432 | 54.1% | 81.4% |
| Florence County | 32,468 | 17,422 | 15,046 | 46.3% | 81% |
| Georgetown County | 22,162 | 12,564 | 9,598 | 43.3% | 82.9% |
| Greenville County | 120,312 | 61,280 | 59,032 | 49.1% | 83.2% |
| Greenwood County | 17,772 | 9,280 | 8,492 | 47.8% | 81.5% |
| Hampton County | 5,068 | 2,236 | 2,832 | 55.9% | 81.6% |
| Horry County | 137,090 | 74,720 | 62,370 | 45.5% | 81.4% |
| Jasper County | 10,354 | 5,955 | 4,399 | 42.5% | 82% |
| Kershaw County | 18,126 | 9,839 | 8,287 | 45.7% | 76.5% |
| Lancaster County | 27,391 | 15,029 | 12,362 | 45.1% | 83.2% |
| Laurens County | 16,800 | 7,773 | 9,027 | 53.7% | 82.4% |
| Lee County | 4,100 | 1,786 | 2,314 | 56.4% | 82.6% |
| Lexington County | 67,781 | 39,618 | 28,163 | 41.5% | 79.4% |
| Marion County | 8,170 | 3,486 | 4,684 | 57.3% | 82.6% |
| Marlboro County | 6,500 | 2,566 | 3,934 | 60.5% | 84.4% |
| Mccormick County | 4,855 | 2,466 | 2,389 | 49.2% | 82.9% |
| Newberry County | 10,550 | 5,859 | 4,691 | 44.5% | 81.4% |
| Oconee County | 25,250 | 13,376 | 11,874 | 47% | 83% |
| Orangeburg County | 22,181 | 9,278 | 12,903 | 58.2% | 81.8% |
| Pickens County | 30,725 | 14,096 | 16,629 | 54.1% | 83.8% |
| Richland County | 77,679 | 43,942 | 33,737 | 43.4% | 73.4% |
| Saluda County | 3,585 | 1,858 | 1,727 | 48.2% | 80.4% |
| Spartanburg County | 75,827 | 34,689 | 41,138 | 54.3% | 84% |
| Sumter County | 24,688 | 12,299 | 12,389 | 50.2% | 71.8% |
| Union County | 7,553 | 2,972 | 4,581 | 60.7% | 83.9% |
| Unknown | Not reported | Not reported | Not reported | Not reported | Not reported |
| Williamsburg County | 8,925 | 3,596 | 5,329 | 59.7% | 84.7% |
| York County | 57,690 | 30,846 | 26,844 | 46.5% | 81.9% |
Source and interpretation
CMS Medicare Monthly Enrollment, April 2026, published 2026-07-23. “MA & Other” retains the official combined CMS field label.
- CMS suppresses some small counts with an asterisk; suppressed values remain null in this snapshot.
- Medicare Advantage and Other Health Plans is the CMS-published combined measure and is not limited to Medicare Advantage alone.
- Enrollment counts describe a reporting month and do not compare plan benefits, provider networks, quality, or personal costs.