overagePathCheck Eligibility →
South Carolina Marketplace intelligence

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

South Carolina landscape representing local ACA Marketplace research
South Carolina

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.

587,567

2026 CMS Marketplace plan selections represented across 46 county records.

Greenville County

60,999 selections, 10.4% of the state total represented in this county dataset.

$655

Selection-weighted county average gross premium where CMS reports the measure.

$578

Selection-weighted county average APTC where CMS reports the measure.

Largest county markets in the file:Greenville · 60,999Charleston · 51,103Horry · 50,985

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.

Aiken County

17,741 2026 Marketplace plan selections reported by CMS.

Dillon County

4,104 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.

Lee County

2,153 2026 Marketplace plan selections reported by CMS.

Marion County

3,584 2026 Marketplace plan selections reported by CMS.

Oconee County

7,008 2026 Marketplace plan selections reported by CMS.

Pickens County

11,414 2026 Marketplace plan selections reported by CMS.

Saluda County

1,832 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.

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.