State refunds are taxable federal income only if you deducted state taxes on your federal return the year you paid them

A state tax refund becomes taxable federal income when you claimed a deduction for state and local taxes (SALT) on your federal return in the year you originally paid that state tax. The IRS taxes the refund because you got a federal tax benefit from the deduction, and now you are getting money back from the state. That money is considered income in the year you receive it.

The key is whether you itemized deductions on your federal return. If you took the standard deduction instead, your state refund is not taxable to the federal government, even if you paid state income tax. Most people take the standard deduction, so most state refunds are not taxable.

The year the refund arrives is the year it counts as income. If you received a state refund in 2024, it goes on your 2024 federal return, regardless of which year you originally paid the state tax.

Key Takeaways

  • State refunds are taxable federal income only if you itemized deductions on your federal return in the year you paid the state tax.
  • If you took the standard deduction, your state refund is not taxable to the federal government.
  • The refund is taxed in the year you receive it, not the year you paid the original state tax.
  • You report the refund on Form 1040 as "other income" or on Schedule 1, depending on the amount and your tax software.
  • The IRS sends you a Form 1099-G if the refund is large enough, but you must report it even if you do not receive a form.

How itemizing deductions triggers taxability

When you itemize deductions on your federal return, you list out specific expenses — mortgage interest, charitable donations, state and local taxes — instead of taking the standard deduction. If you included state income tax in that list, you reduced your federal taxable income by that amount. That reduction saved you federal tax dollars.

Now that the state is refunding part of what you paid, the IRS views that refund as income you did not expect to have. You got a federal tax break for paying the state tax, and now you are getting some of that money back. The refund is therefore taxable at the federal level.

This is called the tax benefit rule. You only owe federal tax on the refund to the extent that you actually received a federal tax benefit from the original deduction. If your state tax deduction did not reduce your federal tax (for example, because it was less than the standard deduction), then the refund is not taxable.

Why the standard deduction matters

Most taxpayers use the standard deduction, which is a flat amount that reduces taxable income without requiring you to list specific expenses. For 2024, the standard deduction is $14,600 for single filers and $29,200 for married filing jointly (these amounts change yearly).

If you took the standard deduction, you did not claim a deduction for state taxes paid. Therefore, you did not receive a federal tax benefit from paying state tax, and the refund is not taxable to the federal government. You can receive a state refund and owe no federal tax on it.

The standard deduction is high enough that most people benefit more from using it than from itemizing. Only itemizers face federal tax on state refunds.

When the IRS sends you Form 1099-G

If your state refund is $10 or more, the state tax authority is required to send you a Form 1099-G (Certain Government Payments) showing the refund amount. You receive this form by January 31 of the year after the refund arrives. The form goes to both you and the IRS.

Receiving a Form 1099-G does not automatically mean the refund is taxable. The form is informational. You still must determine whether you itemized deductions in the year you paid the original tax. If you did not itemize, you can report the refund as non-taxable on your federal return, even though the IRS received the 1099-G.

Some tax software will flag the 1099-G and assume the refund is taxable. You may need to override that and indicate that you took the standard deduction, so the refund is not taxable to you.

How to report the refund on your federal return

If the refund is taxable, you report it on your federal return as income. The exact line depends on the amount and your tax software, but it typically goes on Schedule 1 (Form 1040), line 1, labeled "Other income," or directly on Form 1040 itself if your software combines them.

If the refund is not taxable (because you took the standard deduction), you do not report it on your federal return at all. Some tax software will ask you to confirm that you are excluding it; others will simply skip it if you indicate you did not itemize.

Keep a copy of the Form 1099-G with your tax records, whether the refund is taxable or not. If the IRS questions the refund later, you will have documentation of the amount.

State refunds from prior years that arrive late

Sometimes a state takes months or even years to process and send a refund. The refund is still taxable in the year you receive it, not the year you paid the tax or the year the state processed it. If you paid state tax in 2022 but did not receive the refund until 2024, the refund is taxable (or not) based on your 2024 federal return and whether you itemized in 2024.

This can create a mismatch. You may have itemized in 2022 (when you paid the state tax) but taken the standard deduction in 2024 (when you received the refund). In that case, the refund is not taxable, because you did not itemize in 2024. Conversely, you might have taken the standard deduction in 2022 but itemized in 2024, making the refund taxable even though you did not get a federal benefit from the original payment.

The year of receipt is what matters for federal tax purposes.

What to do if you received a 1099-G but did not itemize

If you receive a Form 1099-G but you took the standard deduction in the year you paid the state tax, the refund is not taxable to you. You still need to report it on your federal return to show the IRS that you received it, but you will indicate that it is not taxable income.

In most tax software, you can enter the 1099-G information and then mark the refund as non-taxable or excluded. The software will then report the refund to the IRS but not add it to your taxable income. If you are filing by hand, you can attach a note to your return explaining that you did not itemize in the year the tax was paid.

If you are unsure whether you itemized, check your prior-year tax return. Look for Schedule A (Form 1040). If you filed Schedule A, you itemized. If you did not file Schedule A, you took the standard deduction.

Frequently Asked Questions

Is my state refund taxable if I took the standard deduction?

No. The refund is taxable only if you itemized deductions on your federal return in the year you paid the state tax. If you took the standard deduction, you did not receive a federal tax benefit from the state tax payment, so the refund is not taxable to the federal government.

What year do I report the refund on my federal return?

You report it in the year you receive it, not the year you paid the original state tax. If the state refunded money to you in 2024, it goes on your 2024 federal return, even if you paid the state tax in 2022.

Do I have to report the refund if I did not receive a Form 1099-G?

If the refund is taxable, yes — you must report it even without a 1099-G. The form is only required if the refund is $10 or more, but smaller refunds are still taxable if you itemized. If the refund is not taxable (because you took the standard deduction), you do not report it.

Can I amend my return if I reported the refund as taxable but should not have?

Yes. File Form 1040-X (Amended U.S. Individual Income Tax Return) for the year you reported the refund. Explain that you took the standard deduction in the year you paid the state tax, so the refund is not taxable. You can file an amended return within three years of the original filing date.

What if the state refund was for a different tax, like sales tax?

Sales tax refunds follow the same rule. If you itemized and deducted sales tax on your federal return, the refund is taxable. If you took the standard deduction, it is not. However, most people deduct state income tax, not sales tax, so this situation is less common.