2026 CMS Marketplace plan selections represented across 46 county records.
South Carolina ACA Marketplace coverage, explained with current sources.
South Carolina uses HealthCare.gov for Marketplace enrollment. CMS reports 587,567 cumulative 2026 Open Enrollment plan selections across South Carolina counties in the 2026 County-Level Public Use File.
Source: Centers for Medicare & Medicaid Services · Verified September 17, 2026

State evidence snapshot
What stands out in South Carolina's 2026 Marketplace data?
Across the 46 counties in this CoveragePath CMS dataset, CMS reports 587,567 Marketplace plan selections. The largest county total is Greenville County with 60,999 selections.
89.2% of selections in counties with unsuppressed APTC counts received advance premium tax credits. The selection-weighted county premium benchmarks are $655 before APTC and $139 after APTC. These are historical county aggregates, not household quotes.
What stands out in South Carolina
Turn statewide totals into local context.
60,999 selections, 10.4% of the state total represented in this county dataset.
Selection-weighted county average gross premium where CMS reports the measure.
Selection-weighted county average APTC where CMS reports the measure.
CoveragePath calculations use 2026 CMS county public-use-file measures. Weighted figures are descriptive historical benchmarks, not 2027 quotes, plan availability or eligibility determinations.
What the South Carolina data can tell you
Enrollment
Use current CMS enrollment data to understand Marketplace participation without treating plan selections as active enrollment or a guarantee of coverage.
Financial assistance
Eligibility for premium tax credits depends on current federal rules and household circumstances. CoveragePath verifies rule changes before publishing numeric guidance.
County intelligence
CoveragePath now publishes verified 2026 CMS Marketplace benchmarks for 46 evidence-ranked South Carolina counties, including enrollment, premium and APTC measures.
2026 ACA Marketplace data by South Carolina county
Choose your county to review its verified CMS Marketplace enrollment, premium and financial-assistance benchmarks. County figures are historical measures, not a quote or guarantee of eligibility or plan availability.
Abbeville County
3,224 2026 Marketplace plan selections reported by CMS.
Aiken County
17,741 2026 Marketplace plan selections reported by CMS.
Allendale County
1,384 2026 Marketplace plan selections reported by CMS.
Anderson County
22,487 2026 Marketplace plan selections reported by CMS.
Bamberg County
1,880 2026 Marketplace plan selections reported by CMS.
Barnwell County
2,080 2026 Marketplace plan selections reported by CMS.
Beaufort County
23,656 2026 Marketplace plan selections reported by CMS.
Berkeley County
26,975 2026 Marketplace plan selections reported by CMS.
Calhoun County
2,196 2026 Marketplace plan selections reported by CMS.
Charleston County
51,103 2026 Marketplace plan selections reported by CMS.
Cherokee County
6,766 2026 Marketplace plan selections reported by CMS.
Chester County
4,999 2026 Marketplace plan selections reported by CMS.
Chesterfield County
4,691 2026 Marketplace plan selections reported by CMS.
Clarendon County
4,755 2026 Marketplace plan selections reported by CMS.
Colleton County
5,240 2026 Marketplace plan selections reported by CMS.
Darlington County
7,910 2026 Marketplace plan selections reported by CMS.
Dillon County
4,104 2026 Marketplace plan selections reported by CMS.
Dorchester County
17,934 2026 Marketplace plan selections reported by CMS.
Edgefield County
2,320 2026 Marketplace plan selections reported by CMS.
Fairfield County
2,525 2026 Marketplace plan selections reported by CMS.
Florence County
20,189 2026 Marketplace plan selections reported by CMS.
Georgetown County
7,172 2026 Marketplace plan selections reported by CMS.
Greenville County
60,999 2026 Marketplace plan selections reported by CMS.
Greenwood County
6,681 2026 Marketplace plan selections reported by CMS.
Hampton County
2,205 2026 Marketplace plan selections reported by CMS.
Horry County
50,985 2026 Marketplace plan selections reported by CMS.
Jasper County
4,620 2026 Marketplace plan selections reported by CMS.
Kershaw County
6,990 2026 Marketplace plan selections reported by CMS.
Lancaster County
10,399 2026 Marketplace plan selections reported by CMS.
Laurens County
6,222 2026 Marketplace plan selections reported by CMS.
Lee County
2,153 2026 Marketplace plan selections reported by CMS.
Lexington County
30,689 2026 Marketplace plan selections reported by CMS.
Marion County
3,584 2026 Marketplace plan selections reported by CMS.
Marlboro County
3,038 2026 Marketplace plan selections reported by CMS.
McCormick County
633 2026 Marketplace plan selections reported by CMS.
Newberry County
4,036 2026 Marketplace plan selections reported by CMS.
Oconee County
7,008 2026 Marketplace plan selections reported by CMS.
Orangeburg County
11,100 2026 Marketplace plan selections reported by CMS.
Pickens County
11,414 2026 Marketplace plan selections reported by CMS.
Richland County
46,217 2026 Marketplace plan selections reported by CMS.
Saluda County
1,832 2026 Marketplace plan selections reported by CMS.
Spartanburg County
34,501 2026 Marketplace plan selections reported by CMS.
Sumter County
12,867 2026 Marketplace plan selections reported by CMS.
Union County
2,955 2026 Marketplace plan selections reported by CMS.
Williamsburg County
4,034 2026 Marketplace plan selections reported by CMS.
York County
21,074 2026 Marketplace plan selections reported by CMS.
Continue your coverage path
Start with eligibility factors, then review savings and Special Enrollment guidance. Final eligibility and plan availability must be verified through the Marketplace.