Exchange
HealthCare.gov
Federal exchange
Medicaid Expansion
✅ Expanded
Adults up to 138% FPL eligible
Avg. Benchmark Premium
$540/mo
Age 40, Silver plan
Missouri ACA Health Insurance Overview
Missouri uses the federal HealthCare.gov marketplace for ACA health insurance enrollment. The state has expanded Medicaid, providing coverage for adults earning up to 138% of the Federal Poverty Level. In 2026, the majority of Missouri marketplace enrollees are expected to qualify for premium tax credits that significantly reduce their monthly premiums. Missouri expanded Medicaid through a 2020 voter initiative. The state uses HealthCare.gov for marketplace enrollment.
Missouri Income Limits for ACA Subsidies (2026)
ACA subsidy eligibility is based on the Federal Poverty Level (FPL). The table below shows key income thresholds for an individual in Missouri. For a family, multiply by the household size factor (e.g., a family of 4 at 100% FPL ≈ $50,706/year).
| FPL Level | Annual Income (Individual) | Significance |
|---|---|---|
| 100% FPL | $15,650 | Minimum income for marketplace subsidies (below this → Medicaid) |
| 138% FPL | $21,597 | Medicaid expansion threshold — above this, use marketplace |
| 150% FPL | $23,475 | Below this threshold, $0-premium Silver plans are often available |
| 400% FPL | $62,600 | Traditional “subsidy cliff” — but the ARP extension through 2025 removed the cliff, capping premiums at 8.5% of income for all enrollees |
Based on 2025 Federal Poverty Guidelines used for the 2026 plan year. Alaska and Hawaii have higher FPL thresholds.
How ACA Subsidies Work in Missouri
ACA subsidies in Missouri are calculated based on your household income relative to the Federal Poverty Level and the cost of the benchmark Silver plan in your area. Because Missouri has expanded Medicaid, residents below 138% FPL typically qualify for Medicaid rather than marketplace subsidies. Use our calculator to see exactly how much you could save on HealthCare.gov plans.
How to Enroll in Missouri
Missouri uses the federal exchange at HealthCare.gov.
Visit HealthCare.gov during Open Enrollment to browse plans, compare premiums, and apply for subsidies. You can also call the marketplace helpline at 1-800-318-2596.
Medicaid in Missouri
Missouri has expanded Medicaid under the ACA.
Adults with household income up to 138% of the Federal Poverty Level may qualify for Medicaid coverage with little or no premium cost. If your income drops due to the subsidy cliff, Medicaid may be an option.
Calculate Your Missouri Premiums
See how the subsidy cliff affects your specific situation.
Open Calculator →See How the 2026 Subsidy Cliff Affects You
Enter your income and household size for a personalized premium comparison.
Calculate Your 2026 Premium Impact →Related Resources
⚠️ Disclaimer
This calculator provides estimates for educational purposes only. It is not a substitute for professional advice. Actual premiums, subsidies, and eligibility may vary based on your specific circumstances, location, and available plans. We are not licensed insurance agents or brokers. For official information, visit HealthCare.gov or contact a licensed insurance professional. This site is not affiliated with the U.S. government, CMS, or any insurance company.