Medicaid Expansion in South Carolina: What It Means for Your Health Insurance

Updated July 2026 · SouthcarolinaPlanFinder.com — Licensed Health Insurance Producer (NPN #21249133)

Navigating health insurance options in South Carolina requires a clear understanding of the state's Medicaid policies. Unlike many states, South Carolina has not expanded its Medicaid program under the Affordable Care Act (ACA). This critical distinction means that many low-income adults in the state find themselves in a "coverage gap," unable to qualify for Medicaid and also ineligible for financial assistance to purchase plans on the federal marketplace, HealthCare.gov. Understanding your income relative to the Federal Poverty Level (FPL) is paramount to determining your eligibility for various health insurance pathways in the Palmetto State.

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South Carolina's Medicaid Status: A Non-Expansion State

South Carolina is one of the states that has chosen not to expand Medicaid eligibility as outlined by the Affordable Care Act. In states that expanded Medicaid, individuals and families with incomes up to 138% of the Federal Poverty Level (FPL) are typically eligible for comprehensive, low-cost or free health coverage. However, in South Carolina, traditional Medicaid eligibility criteria apply, which are much stricter. This typically means that adults without dependent children are not eligible for Medicaid, regardless of how low their income is. For parents and caretakers, income thresholds are also very low, often well below the federal poverty line. This non-expansion status creates a unique challenge for many low-income residents seeking affordable health insurance.

Income and Eligibility for Health Insurance in South Carolina

Your household income, specifically your Modified Adjusted Gross Income (MAGI), is the primary factor in determining your health insurance options in South Carolina. The state's non-expansion of Medicaid directly impacts where the lines are drawn for coverage eligibility.

The South Carolina Coverage Gap

If your income falls below 100% of the Federal Poverty Level (FPL), you are in what is known as the "coverage gap." For a single individual in 2026, 100% FPL is $15,060. If your MAGI is below this amount, you are typically not eligible for ACA marketplace subsidies (premium tax credits) to help pay for a health plan, nor are you eligible for traditional Medicaid unless you fit into a very specific, limited category (e.g., pregnant, disabled, or a parent/caretaker with an extremely low income). This means many low-income adults in South Carolina have no affordable path to health coverage.

ACA Marketplace Subsidies

For those with incomes between 100% and 400%+ of the FPL, premium tax credits (subsidies) are available through HealthCare.gov. These subsidies significantly reduce your monthly premium, making plans more affordable. Cost-Sharing Reductions (CSRs) are also available for those between 100% and 250% FPL, further lowering deductibles, copayments, and out-of-pocket maximums on Silver-tier plans.

2026 Federal Poverty Level (FPL) Table for South Carolina Residents

The table below illustrates the FPL thresholds for 2026, which are crucial for determining your eligibility for subsidies and potential Medicaid in South Carolina.
Household Size 100% FPL 138% FPL 150% FPL 200% FPL 250% FPL 400% FPL
1 person$15,060$20,783$22,590$30,120$37,650$60,240
2 people$20,440$28,207$30,660$40,880$51,100$81,760
3 people$25,820$35,632$38,730$51,640$64,550$103,280
4 people$31,200$43,056$46,800$62,400$78,000$124,800
5 people$36,580$50,480$54,870$73,160$91,450$146,320
6 people$41,960$57,905$62,940$83,920$104,900$167,840
7 people$47,340$65,329$71,010$94,680$118,350$189,360
8 people$52,720$72,754$79,080$105,440$131,800$210,880
+1 additional+$5,380+$7,424+$8,070+$10,760+$13,450+$21,520

Source: HHS 2025 Federal Poverty Guidelines (applied to 2026 ACA plan year). Figures for 48 contiguous states + DC.

Recommended Plan Tiers for South Carolina Residents

Choosing the right health plan tier depends heavily on your income, health needs, and South Carolina's non-expansion status. Here's a general guide for single adults:
Income Level (Single Adult) FPL % Recommended Tier Monthly Net Premium Why
Under $15,060 Under 100% FPL Coverage Gap Full Premium Not eligible for Medicaid or ACA subsidies. Limited options may include employer plans (if available to a household member) or short-term plans (with significant limitations).
$15,060–$22,590 100–150% FPL Silver (CSR Tier 1) ~$0–$30 Eligible for substantial APTC and the highest level of Cost-Sharing Reductions (CSRs), leading to very low deductibles and out-of-pocket maximums.
$22,590–$30,120 150–200% FPL Silver (CSR Tier 2) ~$30–$100 Meaningful APTC and strong CSRs, making Silver plans a much better value than Bronze for most healthcare needs.
$30,120–$37,650 200–250% FPL Silver (CSR Tier 3) or Gold ~$100–$200 Still eligible for CSRs on Silver plans, which can significantly reduce costs. Gold plans may be a good option if you expect high medical use and prefer lower cost-sharing from the start.
$37,650–$60,240 250–400% FPL Gold or HDHP Varies APTC reduces premiums, but no CSRs apply. Gold plans offer lower deductibles. High Deductible Health Plans (HDHPs) paired with a Health Savings Account (HSA) are excellent for healthy individuals.
Above $60,240 Above 400% FPL HDHP+HSA (off-exchange) Varies APTC may still apply, but at a reduced rate. HDHP+HSA offers triple tax advantages and is often the most cost-effective choice for those with moderate healthcare needs.

Net premium after APTC. Single adult, benchmark Silver reference. Actual premium varies by state and plan year.

Understanding South Carolina's Specific Medicaid Eligibility

While South Carolina has not expanded Medicaid for the general adult population, there are still specific pathways to coverage that are important to understand. The most significant exception to the coverage gap rules applies to pregnant women. Pregnant women in South Carolina may qualify for Medicaid if their household income is up to 199% of the Federal Poverty Level (FPL). For a single pregnant woman, this translates to an income of approximately $29,970 in 2026. This program provides essential coverage for prenatal care, labor and delivery, and postpartum services, which are critical for maternal and infant health. It's important for pregnant individuals to apply for Medicaid as soon as possible if they believe they meet this income threshold. For children, South Carolina also offers the Children's Health Insurance Program (CHIP) or Medicaid, though specific FPL thresholds for CHIP were not provided in the state context. Generally, children in low- to moderate-income families can access these programs. For other adults, traditional Medicaid eligibility is very narrow, typically limited to individuals with disabilities, or parents/caretakers with extremely low incomes that meet specific state-defined criteria. The absence of broad Medicaid expansion means the ACA marketplace remains the primary avenue for subsidized health insurance for most working-age adults in South Carolina who are above 100% FPL.

Health Insurance in South Carolina: What Residents Need to Know

South Carolina operates its health insurance marketplace through HealthCare.gov, the federal platform. This means residents will use the federal website to browse plans, compare options, and apply for subsidies. The marketplace in South Carolina offers a variety of plan types, including EPO, HMO, POS, and PPO options, providing flexibility in how you access care and whether you need referrals to specialists. The state's non-expansion of Medicaid is the most critical factor influencing health insurance access. While residents above 100% FPL can find significant financial assistance through the marketplace, the existence of the coverage gap for those below 100% FPL is a major concern. It emphasizes the need for careful income estimation and exploration of all available options, especially for those close to the 100% FPL threshold. Carriers participating in the South Carolina marketplace typically include major national and regional providers, ensuring a range of choices for consumers.

Enrollment Steps for South Carolina Health Insurance

Navigating your health insurance options in South Carolina, especially with the state's non-expansion status, involves a few key steps.
  1. Estimate Your Annual Household Income: Accurately project your Modified Adjusted Gross Income (MAGI) for the upcoming plan year. This is crucial for determining if you fall into the Medicaid coverage gap, qualify for Medicaid as a pregnant woman, or are eligible for ACA subsidies.
  2. Check Medicaid Eligibility (If Applicable): If you are pregnant or believe you meet South Carolina's traditional, very limited Medicaid criteria, apply directly through the South Carolina Department of Health and Human Services (SC DHHS). Do this immediately, as Medicaid enrollment is year-round.
  3. Explore HealthCare.gov for Marketplace Plans: If you are not eligible for Medicaid or are in the coverage gap, proceed to HealthCare.gov. Enter your estimated income and household size to see if you qualify for premium tax credits (subsidies) or cost-sharing reductions (CSRs). Remember, subsidies start at 100% FPL ($15,060 for a single person in 2026).
  4. Compare Plan Tiers and Benefits: Evaluate Bronze, Silver, Gold, and Platinum plans. If your income is between 100-250% FPL, prioritize Silver plans to take advantage of CSRs, which significantly reduce your out-of-pocket costs.
  5. Enroll During Open Enrollment or a Special Enrollment Period (SEP): Enroll during the annual Open Enrollment period (typically November 1 - January 15) or if you experience a Qualifying Life Event (QLE) such as losing other coverage, getting married, or having a baby.
  6. Report Income Changes: If your income or household size changes during the year, report it to HealthCare.gov immediately. This ensures your subsidies are adjusted correctly, preventing potential tax reconciliation issues.
A licensed health insurance agent specializing in South Carolina can provide free, personalized guidance, helping you understand your eligibility, compare plans, and complete the enrollment process without any additional cost to you.

Frequently Asked Questions

Has South Carolina expanded Medicaid?
No, South Carolina has not expanded its Medicaid program under the Affordable Care Act (ACA). This means that adults without dependent children generally do not qualify for Medicaid, regardless of their income level. Medicaid eligibility in South Carolina remains limited to specific categories like pregnant women, children, and individuals with disabilities, or parents/caretakers with very low incomes.
What is the 'coverage gap' in South Carolina?
In South Carolina, the 'coverage gap' refers to a situation where individuals earn too much to qualify for traditional Medicaid but not enough (less than 100% of the Federal Poverty Level, or $15,060 for a single person in 2026) to be eligible for premium tax credits (subsidies) on the HealthCare.gov marketplace. This leaves many low-income adults without an affordable path to health insurance coverage.
Can pregnant women in South Carolina get Medicaid?
Yes, pregnant women in South Carolina may qualify for Medicaid if their household income is up to 199% of the Federal Poverty Level (FPL). For a single pregnant woman, this threshold is approximately $29,970 in 2026. This coverage includes prenatal care, labor and delivery, and postpartum care, providing crucial support during and after pregnancy.
How does South Carolina's non-expansion status affect ACA subsidies?
Because South Carolina has not expanded Medicaid, residents are only eligible for ACA marketplace subsidies if their household income is at or above 100% of the Federal Poverty Level (FPL). For a single person, this means an income of at least $15,060 in 2026. Individuals below this threshold fall into the coverage gap and cannot receive subsidies to lower their premium costs on HealthCare.gov.
What types of health insurance plans are available in South Carolina?
The HealthCare.gov marketplace in South Carolina offers a variety of plan types, including Exclusive Provider Organization (EPO), Health Maintenance Organization (HMO), Point of Service (POS), and Preferred Provider Organization (PPO) plans. These options provide flexibility in network size, referral requirements, and cost structures, allowing residents to choose a plan that best fits their healthcare needs and preferences.