You may owe federal income tax on SSDI, depending on your total income

Social Security Disability Insurance (SSDI) payments themselves are not automatically taxable. However, if your combined income exceeds a certain threshold, the IRS requires you to count a portion of your SSDI as taxable income on your federal return. This rule applies whether you work, receive other income, or have both SSDI and retirement benefits.

The threshold is low: $25,000 for a single filer, or $32,000 for married filing jointly. These limits have not changed since 1984. If your combined income stays below these amounts, you owe no federal tax on your SSDI. If you exceed them, you may owe tax on up to 85% of your benefits, though the actual percentage depends on how far over the limit you go.

"Combined income" includes your SSDI payments plus half of your SSDI plus any wages, interest, dividends, rental income, or other taxable sources. This definition is specific to Social Security taxation and differs from the adjusted gross income (AGI) the IRS uses elsewhere on your return.

Key Takeaways

  • SSDI is taxable only if your combined income exceeds $25,000 (single) or $32,000 (married filing jointly), and these thresholds have remained unchanged since 1984.
  • Combined income includes your SSDI payments plus half your SSDI plus all other income sources, which is a calculation specific to Social Security taxation.
  • You may owe tax on up to 85% of your benefits if your combined income is high enough, but most SSDI recipients pay no federal tax on their benefits.
  • State income tax treatment of SSDI varies by state; some states tax it, others do not, and a few tax it only under certain conditions.
  • You can request that the Social Security Administration withhold federal income tax from your monthly SSDI payment to avoid a tax bill at filing time.

How the IRS calculates taxable SSDI

The calculation has two tiers. First, the IRS adds your SSDI to half of your SSDI, then adds all other income. If this combined total exceeds your threshold ($25,000 or $32,000), you move to the second tier.

In the second tier, the taxable portion depends on how far over the threshold you are. If you are only slightly over, you may owe tax on just 50% of the excess. If you are significantly over, the percentage rises to 85%. The IRS publishes a worksheet each year to walk through this calculation, and it appears in the instructions for Form 1040.

Example: A single filer receives $15,000 in SSDI and $12,000 in wages. Combined income is $15,000 + $7,500 (half of SSDI) + $12,000 = $34,500. This exceeds the $25,000 threshold by $9,500. The taxable portion would be calculated using the IRS worksheet, and could range from roughly $4,750 to $8,075 depending on the exact formula.

State income tax on SSDI varies widely

Federal taxation is only part of the picture. Thirty-seven states do not tax SSDI at all. Thirteen states do tax it, though most of those offer some exemption or deduction that reduces or eliminates the tax for many recipients.

Colorado, Connecticut, Kansas, Minnesota, Missouri, Montana, Nebraska, New Mexico, Rhode Island, Utah, and Vermont tax SSDI as income. Illinois and Mississippi tax it only under specific conditions. If you live in a state that taxes SSDI, your state return instructions will explain the rules and any exemptions available to you.

If you moved to a new state during the year, you may need to file returns in both states. Check your state's tax authority website or contact them directly to confirm whether SSDI is taxable in your state and whether you owe a return.

Requesting tax withholding from your SSDI payment

You can ask the Social Security Administration to withhold federal income tax directly from your monthly SSDI payment. This prevents a large tax bill when you file your return and is often simpler than making quarterly estimated tax payments.

To request withholding, complete Form W-4V (Voluntary Withholding Request) and submit it to your local Social Security office, by mail to the address on the form, or online through your my Social Security account. You can choose to withhold 7%, 10%, 15%, or 22% of your benefit. Once approved, the withholding begins with your next payment.

You can change or stop withholding at any time by submitting a new Form W-4V. If you receive both SSDI and retirement benefits, you can set different withholding rates for each.

When you must file a federal tax return

You must file a federal return if your gross income exceeds the standard deduction for your filing status and age. For 2024, the standard deduction is $14,600 for a single filer under 65, and $18,350 for a single filer 65 or older. For married filing jointly, it is $29,200 under 65, and $30,750 if one spouse is 65 or older.

SSDI counts toward this threshold. If your SSDI alone exceeds your standard deduction, you must file. Even if you do not owe tax, filing may be worth doing if you are due a refund or if you claim the Earned Income Tax Credit (EITC), which can result in a refund even if you owe no tax.

The IRS provides a tax return filing checklist on its website that walks through whether you must file based on your income, age, and filing status.

SSDI and the Earned Income Tax Credit

If you work while receiving SSDI, you may be able to claim the Earned Income Tax Credit (EITC) on your federal return. The EITC is a refundable credit, meaning you can receive money back even if you owe no tax. Your SSDI payment does not count as earned income for EITC purposes, but your wages do.

To claim the EITC, you must have earned income from work, meet income limits (which vary by filing status and number of dependents), and file a return. You can claim the credit on Form 1040 or use free tax preparation services. The IRS website has an EITC tool that estimates whether you may have access to.

Keeping records and reporting changes

Keep copies of your Social Security Benefit Statement (Form SSA-1099) for your records. This form shows your total SSDI for the year and is sent to you by January 31 each year. You will need it to complete your tax return or to verify your income if you are questioned by the IRS.

If your income changes during the year—for example, if you start or stop working—your tax situation may change. You do not need to notify the IRS, but you should recalculate whether you will owe tax and adjust your withholding if needed. If you requested tax withholding from your SSDI, you can update it using Form W-4V.

Frequently Asked Questions

Do I owe tax on my SSDI if I do not work?

Only if your combined income exceeds the threshold. If SSDI is your only income, you owe no federal tax unless your SSDI alone exceeds your standard deduction (roughly $14,600 to $18,350 depending on age). If you have other income—interest, dividends, rental income, or a pension—those count toward the threshold.

What if I work part-time and receive SSDI?

Your wages count as income for tax purposes. Combined income includes your SSDI plus half your SSDI plus your wages. If the total exceeds $25,000 (single) or $32,000 (married), you may owe tax on a portion of your SSDI. You may also owe tax on your wages themselves if they exceed your standard deduction.

Can I reduce my taxable SSDI by donating to charity?

No. Charitable donations reduce your overall taxable income, but they do not reduce the combined income calculation used to determine how much of your SSDI is taxable. However, if you itemize deductions instead of taking the standard deduction, charitable donations can lower your overall tax bill.

What happens if I do not file a return when I owe tax on SSDI?

The IRS may assess penalties and interest on the unpaid tax. If you owe a small amount, filing late is still better than not filing at all. If you cannot pay the full amount, the IRS offers payment plans and other options. Contact the IRS or a tax professional if you are behind on filing.

Does my SSDI count as income for Medicare premiums?

Yes. SSDI is counted as income when determining your Medicare Part B and Part D premiums. Higher income may result in higher premiums (Income-Related Monthly Adjustment Amounts, or IRMAA). This is separate from federal income tax but uses a similar combined income calculation.