Medicaid vs Marketplace Coverage: Income Limits, Eligibility and How to Switch Between Them

Medicaid vs Marketplace Coverage: Income Limits, Eligibility and How to Switch Between Them - featured image

Choosing between Medicaid and Marketplace coverage can feel overwhelming, particularly when your income has changed because of a disability, early retirement, or a reduction in work hours. The rules involve federal poverty levels, state decisions, tax credits and enrollment deadlines, and they don’t always line up neatly.

This is where a clear, step-by-step explanation helps. In this guide, we’ll explore how Medicaid and Marketplace income limits work, who qualifies for each, what happens when your circumstances shift, and how to switch between Medicaid and Marketplace coverage without a gap in protection. Our goal is to help you make a calm, well-informed decision.

Table of Contents

Medicaid vs Marketplace Coverage at a Glance

Before we look at the details, it helps to see the two options side by side. Medicaid is a joint federal and state programme for people with limited income or resources. Marketplace coverage (often called “ACA coverage” or “Obamacare”) is private insurance bought through HealthCare.gov or your state’s exchange, with financial help available based on income.

Feature	Medicaid	ACA Marketplace
Who runs it	State governments, with federal funding and rules	Federal or state-based exchanges selling private plans
Who qualifies	Based on income, household size, and sometimes disability, age or pregnancy	Almost anyone lawfully present who doesn’t have affordable qualifying coverage elsewhere
Typical income range	Generally up to 138% of the federal poverty level (FPL) in expansion states	Premium tax credits typically from 100% FPL upward
Monthly premiums	Usually $0 or very low	Varies by plan and subsidy
Out-of-pocket costs	Minimal copays, if any	Deductibles, copays and coinsurance depending on the metal tier
When you can enroll	Year-round	Open enrollment or a Special Enrollment Period
Provider choice	Limited to Medicaid-participating providers	Limited to the plan’s network

Key takeaway: Medicaid is generally the lower-cost option when you qualify, while the Marketplace is designed for people with moderate or higher incomes, or those who live in states that haven’t expanded Medicaid.

Medicaid Income Limits Explained: How the Federal Poverty Level Works

Almost every eligibility rule in this guide is expressed as a percentage of the federal poverty level (FPL), a figure the government updates each year. It changes with household size and is higher in Alaska and Hawaii.

To give you a sense of scale, the 2025 FPL for the 48 contiguous states and DC is roughly $15,650 for a single person and $32,150 for a family of four. These figures are rounded and adjusted annually, so always confirm the current numbers on HealthCare.gov or with your state agency.

The 138% Rule in Medicaid Expansion States

In states that have expanded Medicaid, most adults aged 19 to 64 qualify if their household income is at or below 138% of the FPL. The rule is technically 133% plus a 5% income disregard, which is why you’ll see both figures quoted.

As a rough illustration using 2025 figures:

Single adult: about $21,600 per year
Couple (household of two): about $29,200 per year
Family of four: about $44,400 per year

How Income Is Counted: Understanding MAGI

For most people, eligibility is based on Modified Adjusted Gross Income (MAGI). This starts with your adjusted gross income from your tax return and adds back certain items, such as tax-exempt interest and some foreign income.

An important point is that Medicaid generally looks at your current monthly income, while Marketplace subsidies are based on your projected annual income. This difference matters a great deal if your income fluctuates.

Children, Pregnancy and CHIP

Income limits are usually higher for children and pregnant women. The Children’s Health Insurance Program (CHIP) often covers children in families earning well above the adult Medicaid limit, in some states up to 200% to 300% of the FPL. This means a family can sometimes have a child on Medicaid or CHIP while the parents buy Marketplace plans.

Medicaid Eligibility Beyond Income: Disability, Age and Citizenship

Income is not the only factor. Medicaid also has specific pathways based on who you are, and these are particularly relevant if you’re navigating disability or income replacement.

Disability-Based Medicaid

People who receive Supplemental Security Income (SSI) are eligible for Medicaid in most states, and some states link the two automatically. Others offer Medicaid through “medically needy” or spend-down programmes, where high medical bills can reduce your countable income.

For disability and age-based categories, some states apply asset or resource limits. These are often around $2,000 for an individual, though the rules vary. The simplified MAGI approach doesn’t apply in the same way here.

Medicaid Buy-In Programmes for Workers with Disabilities

Many states operate Medicaid Buy-In programmes, which allow working people with disabilities to keep Medicaid coverage even when their earnings exceed standard limits, sometimes for a modest premium. This is an often-overlooked option if you have a disability and are earning income.

Citizenship and Immigration Status

Medicaid generally requires US citizenship or a qualifying immigration status. Some lawfully present immigrants face a waiting period, although many states waive it for children and pregnant women. Marketplace coverage is open to a wider group of lawfully present immigrants, which can make it the better route in certain situations.

For a deeper walk-through of programme basics, our Insurance Medicaid Guide: Eligibility and Benefits of Insurance Medicaid covers what the coverage includes and who is typically eligible.

Marketplace Income Limits and Premium Tax Credits

The Marketplace works very differently. Rather than a hard cut-off, financial help scales with income through premium tax credits (also called subsidies), and through cost-sharing reductions (CSRs) on Silver plans.

Who Qualifies for Premium Tax Credits

Generally, you may qualify if you:

Buy coverage through the Marketplace
Have household income at or above 100% of the FPL
Are not eligible for Medicaid, Medicare, or affordable employer coverage
File a tax return and, if married, file jointly in most cases

Under the original ACA rules, credits stopped at 400% of the FPL. Temporary enhancements under recent legislation removed that cap and capped benchmark premiums at a percentage of income. Because the future of those enhancements depends on Congress, please check the current rules before relying on any figure. Our guide to ACA Marketplace Premium Tax Credits: How Subsidies Are Calculated and Who Qualifies explains the calculation in detail.

Cost-Sharing Reductions: A Hidden Benefit

If your income is between roughly 100% and 250% of the FPL and you choose a Silver plan, you may receive cost-sharing reductions. These lower your deductible, copays and out-of-pocket maximum. For many people, a subsidised Silver plan with CSRs delivers better value than a Gold plan. You can compare the tiers in Marketplace Metal Tiers Compared: Bronze, Silver, Gold and Platinum Plans and Cost-sharing Reductions.

Subsidy Examples by Income Level

Household income (single adult)	Approx. % of FPL	Likely outcome in an expansion state
Under $21,600	Below 138%	Eligible for Medicaid, not for premium tax credits
$21,600 – $39,000	138% – 250%	Marketplace with premium tax credits and likely CSRs
$39,000 – $62,600	250% – 400%	Marketplace with premium tax credits
Above $62,600	Above 400%	Credits depend on whether enhanced subsidies are in force

These figures are illustrative and based on 2025 poverty guidelines. Your actual result depends on your state, age, location and the plans available.

The Coverage Gap: What Happens in Non-Expansion States

Not every state has expanded Medicaid. In a small number of states, including Alabama, Florida, Georgia, Mississippi, South Carolina, Tennessee, Texas and Wyoming (with Kansas and Wisconsin also following different rules), adult eligibility is much narrower. In many of these states, a non-disabled adult without dependent children may not qualify for Medicaid at any income.

This creates the “coverage gap.” People with income below 100% of the FPL can fall into a space where they earn too much for Medicaid but too little to qualify for Marketplace subsidies. Because premium tax credits generally begin at 100% of the FPL, those just below the line can be left with few affordable options.

If you live in a non-expansion state, we recommend reading Medicaid, Marketplace, and More: Alabama Health Insurance Explained, which shows how these rules play out in practice.

Important: Always check your state’s current status, as expansion decisions can change through legislation or ballot measures.

Disability and Income Replacement: How Your Benefits Affect Eligibility

Because this guide sits within the disability and income replacement context, it’s worth addressing how different income sources interact with Medicaid and Marketplace rules. This is where many readers feel uncertain, so we’ll take it step by step.

Income Sources and How They Are Typically Treated

Income source	General treatment for MAGI-based eligibility
Wages and self-employment	Counted as income
SSDI benefits	Counted, though only the taxable portion is included in MAGI
SSI payments	Not counted as income for Marketplace purposes; usually confers Medicaid eligibility
Private disability insurance (premiums paid by you after tax)	Benefits are generally tax-free and not part of MAGI
Private disability insurance (premiums paid by employer or pre-tax)	Benefits are generally taxable and counted
Workers’ compensation	Generally not counted as taxable income
Unemployment benefits	Counted as income

Tax treatment can differ by situation, so a qualified tax adviser or a certified navigator can confirm how your own benefits are classified. This matters because a tax-free disability payment might leave your MAGI low enough to qualify for Medicaid, while a taxable one could push you toward the Marketplace.

The Medicare Connection for SSDI Recipients

If you receive Social Security Disability Insurance (SSDI), you generally become eligible for Medicare after 24 months of benefits. Once you have Medicare Part A, you are no longer eligible for premium tax credits, and it’s usually unwise to keep a Marketplace plan. To understand what each part provides, see Medicare Parts A, B, C and D Explained: What Each Part Covers and Costs.

If your income is low, you may qualify for both Medicare and Medicaid, known as being dual eligible. Medicaid can then help pay Medicare premiums and cost-sharing.

Myths vs Facts: Medicaid and Marketplace Coverage

Misconceptions are common, and they can lead people to miss out on valuable coverage. Here are the most frequent ones.

Myth: “I can only apply for Medicaid during open enrollment.”
Fact: Medicaid and CHIP enrollment is open year-round.
Myth: “If I qualify for Medicaid, I can still take a Marketplace subsidy.”
Fact: If you’re eligible for Medicaid, you generally can’t receive premium tax credits.
Myth: “Medicaid is only for people who don’t work.”
Fact: Many Medicaid recipients are working adults whose employers don’t offer affordable coverage.
Myth: “Marketplace plans are always more expensive than employer plans.”
Fact: With subsidies, a Marketplace plan can cost less. Our article Best Insurance For Health Coverage: Employer Plan vs Individual Marketplace—Which Is Right? explores this in more depth.
Myth: “If my income changes during the year, there’s nothing I can do.”
Fact: You should update your Marketplace application promptly, and a change may open a switch to Medicaid.

How to Switch From Marketplace Coverage to Medicaid

If your income falls or your circumstances change, you may become eligible for Medicaid while already enrolled in a Marketplace plan. Acting promptly protects you from paying more than necessary.

Step-by-Step: Moving From the Marketplace to Medicaid

Report your change in income or household. Update your Marketplace application on HealthCare.gov or your state exchange.
Check the assessment. The Marketplace will indicate whether you may qualify for Medicaid or CHIP.
Complete a full Medicaid application. In some states the Marketplace passes your information on, while in others you apply directly with the state agency.
Provide documentation. You may need proof of income, identity, residency and immigration status.
Wait for your approval and start date. Medicaid can sometimes be retroactive up to three months in certain states.
Cancel your Marketplace plan only after Medicaid is confirmed. This avoids any gap in coverage.
Address any tax credit reconciliation. Advance premium tax credits you received after becoming Medicaid-eligible may need to be reconciled at tax time.

Tip: Never cancel your existing plan until you have written confirmation that Medicaid has been approved.

How to Switch From Medicaid to Marketplace Coverage

The reverse situation is just as common. You might take a better-paying job, receive a back-dated benefit, or lose eligibility at a Medicaid renewal.

Losing Medicaid Is a Qualifying Event

Losing Medicaid or CHIP coverage generally triggers a Special Enrollment Period (SEP). You typically have 60 days from the loss of coverage to enroll in a Marketplace plan, and in many cases you can also apply up to 60 days beforehand.

Our guide to Special Enrollment Periods for Health Insurance: Qualifying Life Events and Documentation Needed lists the events that qualify and the paperwork you may need.

Step-by-Step: Moving From Medicaid to the Marketplace

Read your notice carefully. Your state should send a termination notice with a date and reason.
Check whether you can appeal. If you believe the decision was wrong, you may ask for a fair hearing. See How to Appeal a Denied Health Insurance Claim: Internal Appeals, External Review and Medicare Levels? for an overview of appeal principles.
Visit HealthCare.gov or your state exchange. Select the SEP option for loss of coverage.
Estimate your income accurately. This determines your premium tax credit and cost-sharing reductions.
Compare plans. Look closely at premiums, deductibles, networks and prescription coverage.
Select a plan and pay your first premium. Coverage usually begins on the first of the month after you choose a plan.

Avoiding a Coverage Gap

Because Medicaid ends on a specific date, timing matters. Apply for Marketplace coverage before your Medicaid ends where possible, so the new plan starts the very next day or the first of the following month.

Medicaid Renewals, Redeterminations and Staying Covered

Medicaid eligibility is reviewed regularly, typically once every 12 months. After the pandemic-era continuous coverage protections ended, millions of people lost Medicaid, many for procedural reasons such as missing paperwork rather than actual ineligibility, according to analyses from KFF and CMS.

To protect your coverage:

Keep your contact details up to date with your state Medicaid agency
Open all mail from the agency and respond by the stated deadline
Check your online account regularly
Keep copies of everything you submit
Ask for help from a navigator or local assister if you’re confused

Simple administrative steps can make the difference between staying covered and facing an unnecessary gap.

Special Considerations for Adults Aged 50 and Over

For readers approaching Medicare age, the decisions become more layered. Many people retire early, rely on income replacement, or work part-time while waiting for Medicare.

Bridging the Years Before Medicare

If you retire before 65 and have no employer coverage, you may qualify for Medicaid if your income is low enough, or for heavily subsidised Marketplace coverage if it isn’t. Managing your MAGI carefully, for example through the timing of retirement account withdrawals, can sometimes improve your subsidy.

Turning 65 and the Switch to Medicare

When you become eligible for Medicare, your Marketplace subsidies end. Missing your window can lead to penalties, so review Medicare Initial Enrollment Period: Key Dates, Deadlines and How to Avoid Late Penalties. If you’re still working, Turning 65 While Still Working: Choosing Between Employer Coverage and Medicare can help