ACA Subsidy Cliff Calculator

Missouri ACA Subsidy Cliff Calculator 2026

Missouri benchmark silver plan: $605/mo (age 40). The subsidy cliff for a single person is $62,600.

SLCSP (age 40): $605/mo
Medicaid Expanded: Yes
Exchange: Federal
400% FPL (single): $62,600
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Missouri 2026 Subsidy Cliff Thresholds (400% FPL)

Household Size400% FPL CliffMax 9.96% Premium
1 person$62,600$6,235/yr
2 people$84,600$8,426/yr
3 people$106,600$10,617/yr
4 people$128,600$12,809/yr
5 people$150,600$15,000/yr
6 people$172,600$17,191/yr

Source: HHS 2025 FPL Guidelines (48 contiguous states). Max premium = 9.96% of income at 300-400% FPL (IRS Rev. Proc. 2025-25).

How the ACA Subsidy Cliff Works in Missouri

Missouri residents shopping for 2026 health insurance on the federal marketplace (HealthCare.gov) face the return of the 400% FPL subsidy cliff. The benchmark second-lowest-cost silver plan (SLCSP) in Missouri averages $605/month for a 40-year-old — adjusted up or down by the federal 3:1 age curve for other ages.

Since Missouri has expanded Medicaid, residents with income below 138% FPL (about $21,597 for an individual) may qualify for Medicaid rather than marketplace coverage. The subsidy cliff primarily affects Missouri residents earning between 138% and 400% FPL.

The calculator above uses Missouri-specific SLCSP data and the standard federal poverty guidelines to calculate your exact subsidy and show how pre-tax contributions (HSA, IRA, Solo 401k) can help you stay below the cliff.

Frequently Asked Questions

What is the ACA subsidy cliff threshold in Missouri for 2026?

For a single person in Missouri, the 400% FPL cliff is $62,600. For a couple, it's $84,600. For a family of 4, it's $128,600. These are the same as all other contiguous U.S. states. If your MAGI exceeds these amounts by even $1, you lose your entire premium tax credit.

How much is the benchmark silver plan in Missouri?

The average benchmark silver plan (SLCSP) in Missouri for a 40-year-old is approximately $605/month in 2026. Your actual premium varies by county, age, and tobacco use. Premiums are age-adjusted using the federal 3:1 age curve. For your exact SLCSP, visit HealthCare.gov or use the IRS SLCSP lookup tool.

Did Missouri expand Medicaid?

Yes, Missouri has expanded Medicaid. Residents with income up to approximately 138% FPL (about $21,597 for a single person) may qualify for Medicaid rather than marketplace coverage. The ACA subsidy cliff calculator is most relevant for Missouri residents with income between 138% and 400% FPL.

Where do Missouri residents shop for health insurance?

Missouri uses a HealthCare.gov (federal marketplace). You can browse plans and enroll at https://www.healthcare.gov/. Open enrollment for 2026 plans typically runs from November 1 to January 15. To find your exact SLCSP premium for the calculator, use the tax tool at healthcare.gov/tax-tool.

How can I lower my MAGI to stay under the cliff in Missouri?

The same federal strategies apply in Missouri: contribute to an HSA (up to $4,400 individual / $8,750 family), Traditional IRA ($7,500, or $8,600 if 50+), or Solo 401(k) if self-employed ($24,500 + employer profit-sharing). These contributions reduce your MAGI, potentially bringing you below the 400% FPL cliff of $62,600 for a single person. The optimizer above calculates the exact amounts needed for your situation.

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