ACA Marketplace plans in South Carolina
Looking for ACA marketplace health insurance in South Carolina? Here is how this coverage lane works specifically for South Carolina residents, what it costs, and how to get it.
South Carolina residents buy ACA Marketplace plans through HealthCare.gov. These are comprehensive plans that cover the ten essential health benefits, cannot deny you for a pre-existing condition, and are the only plans eligible for income-based premium tax credits.
Because South Carolina runs a federal marketplace, you enroll at HealthCare.gov. Plans and prices are set at the county level across South Carolina's 46 counties, so two neighbors in different counties can see different options.
South Carolina has not expanded Medicaid, so Marketplace subsidies are the main affordability lever for lower-income residents here.
South Carolina runs a federal marketplace (HealthCare.gov). Residents should enroll through HealthCare.gov, and plan menus are set at the county level across 46 counties.
Because South Carolina has not expanded Medicaid, Marketplace premium tax credits are especially important for lower-income adults who do not fit traditional Medicaid categories.
With an approximate uninsured rate near 10.8% and a population of about 5.4 million, South Carolina shoppers should re-check subsidies each year as income and household size change.
Next step
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Frequently asked questions
- When is Open Enrollment in South Carolina?
- South Carolina follows Marketplace Open Enrollment in late fall for coverage starting January 1. A qualifying life event opens a Special Enrollment Period any time of year.
- Are South Carolina Marketplace plans subsidized?
- Yes — premium tax credits are available based on your income and household size, and many enrollees pay under $100/month.
- Do I use HealthCare.gov or a state site in South Carolina?
- South Carolina residents primarily enroll through HealthCare.gov. Start there for plan shopping and subsidy estimates.
Sources
- HealthCare.gov — the official ACA Health Insurance Marketplace · reviewed 2026-01-15
- CMS Center for Consumer Information & Insurance Oversight (marketplace types) · reviewed 2026-01-15
- OLYRON HealthMatch editorial methodology — how we source and rate options · reviewed 2026-01-15