Most South Carolina residents looking for health insurance end up choosing between two systems: Healthy Connections (the state's Medicaid program) and the HealthCare.gov marketplace. They look similar from the outside — both have free or low-cost coverage, doctor networks, and prescription benefits — but the eligibility rules, networks, and out-of-pocket costs are dramatically different.
This guide is grounded in current CMS and KFF data for South Carolina. We update it whenever federal poverty guidelines change (typically January) or when South Carolina's Department of Insurance issues new bulletins.
| South Carolina Health Insurance — Quick Facts | |
|---|---|
| State Capital | Columbia |
| Largest City | Charleston |
| Marketplace / Exchange | HealthCare.gov |
| Avg. benchmark Silver premium (40-yr-old, 2025) | $452/mo |
| Major in-state carriers | Blue Cross Blue Shield of South Carolina, Molina, Ambetter |
| Medicaid program | Healthy Connections |
| Medicaid expansion | ❌ Not expanded (coverage gap exists) |
| Uninsured rate (2024) | 10.4% |
The Short Answer
Healthy Connections: How It Works in South Carolina
Healthy Connections is jointly funded by the federal government and the State of South Carolina, administered by the state. It's the same federal program you've heard of as "Medicaid," just rebranded with a state-specific name (South Carolina's version is called Healthy Connections).
Who qualifies in South Carolina:
- Pregnant women up to 200%+ FPL
- Children under 19 up to ~250% FPL (often rebranded under CHIP)
- Adults with disabilities receiving SSI
- Parents of dependent children at very low income limits (varies)
- Seniors with limited income who qualify for nursing-home care or HCBS waivers
- Note: South Carolina did not expand Medicaid to non-disabled adults under 138% FPL. Working adults without children typically don't qualify regardless of income.
What it costs: $0 monthly premium for most enrollees. Small copays (often $0–$8) for doctor visits and prescriptions. No deductible. No annual out-of-pocket maximum that you'll realistically hit.
Network: Healthy Connections contracts with managed care organizations (MCOs) like Blue Cross Blue Shield of South Carolina, Molina that handle the day-to-day administration. Provider networks are typically robust in major metros (Charleston) and thinner in rural counties.
HealthCare.gov Marketplace Plans: How They Work
HealthCare.gov is South Carolina's federally-run health insurance marketplace under the Affordable Care Act. You pick a plan from one of 3 private carriers (Blue Cross Blue Shield of South Carolina, Molina, Ambetter, etc.) and the federal government pays a Premium Tax Credit directly to the insurer to lower your monthly bill.
Who qualifies: Anyone who isn't eligible for Medicare, employer coverage, or Healthy Connections can buy a marketplace plan. Subsidies are available based on income — most South Carolina families earning between roughly $15,000 and $120,000 will qualify for some level of Premium Tax Credit.
What it costs: After subsidies, monthly premiums in South Carolina range from $0 (for very-low-income enrollees) to a few hundred dollars per month. Deductibles range from $0–$1,000 (Platinum/Gold) to $7,500+ (Bronze). The 2026 benchmark Silver plan in Charleston runs about $452/month before subsidies.
Network: Each carrier has its own network. Blue Cross Blue Shield of South Carolina typically offers the broadest network in South Carolina; smaller carriers offer narrower networks at lower premiums.
Side-by-Side Comparison
| Healthy Connections | HealthCare.gov Marketplace | |
|---|---|---|
| Monthly premium | $0 for most | $0–$400+ after subsidy |
| Annual deductible | $0 | $500–$8,500 |
| Doctor copay | $0–$8 | $15–$60 |
| Prescription copay | $0–$4 | $10–$250+ depending on tier |
| Out-of-pocket max | $0–$2,500 | $3,000–$9,200 |
| Income limit | Varies (no full-population eligibility) | None — but subsidies phase out |
| Open enrollment | Year-round | Nov 1 – Jan 15 |
| Where to apply | State Medicaid agency | HealthCare.gov |
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See My Plans →The Tricky Cases
What if my income is right at the edge?
Because South Carolina didn't expand Medicaid, this "edge" is actually the coverage gap — too well-off for Healthy Connections, too poor for marketplace PTC. Three options work: (1) increase projected annual income to over $15,060 (single) to qualify for marketplace PTC; even a part-time gig can do it; (2) look for non-income Medicaid pathways (pregnancy, disability, dependent child); (3) enroll in a short-term medical plan as a stopgap.
What if my income changes mid-year?
Income changes don't open Healthy Connections eligibility for non-expansion-eligible adults. They do, however, change your marketplace subsidy size — log in to HealthCare.gov and report the change so your PTC adjusts before tax time.
Can I have both?
No. You're either Medicaid-eligible (and Healthy Connections is your primary coverage) or you're not (and you use the marketplace). The exception: if a family member qualifies for Healthy Connections (often kids, via CHIP) while parents enroll in marketplace plans, that's allowed and common.
How to Apply
For Healthy Connections: Apply through the South Carolina Medicaid agency or via HealthCare.gov (which forwards your application to the state if you appear Medicaid-eligible). Application takes about 30 minutes online.
For HealthCare.gov: Apply at HealthCare.gov. Have last year's tax return, current pay stubs, and Social Security numbers for everyone in your household.
Or skip the back-and-forth — request a free quote below and a licensed South Carolina broker will tell you within 60 seconds whether you qualify for Healthy Connections, marketplace, or both.
📚 Trusted Sources & References
All data in this article comes from authoritative public-information sources. Click any link to verify.