Find Affordable Coverage in South Dakota
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South Dakota ACA Marketplace Overview
In 2026, approximately 28,000 South Dakota residents are enrolled in ACA Marketplace coverage. South Dakota uses the federal exchange, Healthcare.gov for health insurance enrollment.
South Dakota has expanded Medicaid under the ACA, meaning adults earning up to 138% FPL qualify for free or near-free coverage through Medicaid.
How Much Does ACA Coverage Cost in South Dakota?
The benchmark Silver plan (second-lowest-cost Silver plan) in South Dakota costs approximately $518/month before subsidies in 2026. However, most South Dakota residents who qualify for premium tax credits pay significantly less.
- $0/month premium: Possible for South Dakota households earning up to 150% of the Federal Poverty Level
- Low premiums: Households earning up to 400% FPL qualify for substantial subsidies
- Above 400% FPL: Still eligible if the benchmark plan exceeds 8.5% of household income
Use our ACA Subsidy Calculator to estimate your specific monthly costs based on your South Dakota household income.
Top ACA Health Insurance Companies in South Dakota
The following carriers offer ACA Marketplace plans in South Dakota for 2026:
- Wellmark
- Sanford Health
Plan availability varies by county in South Dakota. Use Healthcare.gov to see exact plans available in your ZIP code.
ACA Plan Tiers Available in South Dakota
- Bronze: Lowest premiums, highest deductibles. Best for healthy South Dakota residents who rarely need care.
- Silver: Mid-range. Strongly recommended for South Dakota households earning 100–250% FPL — Silver plans unlock Cost-Sharing Reductions that significantly lower deductibles and copays.
- Gold: Higher premiums, lower out-of-pocket. Best for South Dakota residents who use healthcare frequently.
- Platinum: Highest premium, lowest cost per service. Available in most South Dakota counties.
When to Enroll in South Dakota
- Open Enrollment: November 1 – January 15 on Healthcare.gov
- January 1 coverage: Enroll by December 15
- February 1 coverage: Enroll by January 15
- Special Enrollment: Available year-round if you lose job-based coverage, move, get married, or have a baby
South Dakota Insurance Resources
- Healthcare.gov — Official South Dakota enrollment portal
- South Dakota Department of Insurance — Plan complaints and consumer protection
- Complete ACA Guide — Full explanation of ACA Marketplace rules
- Subsidy Calculator — Estimate your 2026 premium tax credit