Yes, you must report all savings account interest as income on your federal tax return

The IRS treats savings account interest as taxable income in the year you earn it, regardless of how small the amount. Your bank will send you a Form 1099-INT if you earned $10 or more in interest during the tax year. Even if you don't receive a 1099-INT, you still owe tax on any interest you earned—the bank's reporting threshold does not determine what you must report.

Interest counts as ordinary income, which means it gets added to your other income and taxed at your regular rate. You report it on your federal return (Form 1040) and on your state return if your state has an income tax. The amount is usually small enough that it does not push you into a higher tax bracket, but the reporting requirement applies regardless of size.

Key Takeaways

  • You must report all savings account interest on your federal tax return, even amounts under $10 that do not trigger a 1099-INT form.
  • Your bank sends Form 1099-INT only if interest reaches $10 or more, but that threshold does not excuse you from reporting smaller amounts.
  • Interest is taxed as ordinary income at your regular tax rate, not at a special rate.
  • If you have multiple savings accounts, add up the interest from all of them and report the total.
  • Most state income tax returns also require you to report interest income if your state taxes income.

When your bank sends Form 1099-INT and what it means

Banks mail Form 1099-INT to you and to the IRS by January 31 of the year following the tax year. The form shows the interest you earned in boxes labeled "Interest Income" (Box 1 is the main one). If you earned interest from multiple accounts at the same bank, the 1099-INT adds them together. If you have accounts at different banks, you will receive a separate 1099-INT from each one.

The $10 threshold is a reporting requirement for the bank, not a tax threshold for you. If you earned $8 in interest and received no 1099-INT, you still owe tax on that $8. The IRS cross-checks 1099-INT forms against tax returns, so underreporting interest that was reported to the IRS creates a mismatch that can trigger an audit notice.

If you did not receive a 1099-INT but believe you should have, contact your bank. They may have sent it to an old address, or the interest may have been credited after the January 31 deadline (in which case it appears on next year's form). You can also log into your online banking and find the interest credited to your account during the tax year.

How to report interest on your tax return

On the federal Form 1040, interest income goes on Schedule 1 (Additional Income and Adjustments to Income), Line 8a. Write the total interest from all your savings accounts on that line. If you received a 1099-INT, the amount should match Box 1 of the form (or the sum of all 1099-INTs if you have multiple accounts).

If you file using tax software, the program will ask you to enter interest income and will place it in the correct location automatically. If you file by hand, use the instructions that come with Form 1040 to find the right line. Many people use a tax preparer or accountant, who handles this step as part of preparing the return.

For state taxes, most states follow the federal rule and require you to report interest on your state income tax return. A few states do not tax income at all (Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, Wyoming), so residents of those states do not report interest to the state. Check your state's tax agency website if you are unsure whether your state taxes interest income.

What happens if you forget to report interest

If the interest was reported to the IRS on a 1099-INT and you did not report it on your return, the IRS will likely catch the discrepancy during processing. You will receive a notice proposing additional tax, plus interest and possibly penalties. The penalty for underreporting income is usually 20% of the underpaid tax, though it can be lower if you have reasonable cause.

If the interest was small and you simply overlooked it, you can file an amended return (Form 1040-X) to correct the error. Filing an amended return before the IRS contacts you shows good faith and may reduce or eliminate penalties. The IRS has three years from the original due date to assess additional tax, so you have time to fix the mistake.

If you earned interest but no 1099-INT was issued (because the amount was under $10), the risk of detection is lower, but you still owe the tax. The safest approach is to report all interest, no matter the amount, to avoid any question later.

Interest from different account types and special situations

Interest from a regular savings account, money market account, or certificate of deposit (CD) all counts as taxable interest. Interest from a high-yield savings account is also taxable, even though the rate is higher. The type of account does not matter—only whether the money earned interest.

Interest from a tax-exempt savings account (such as a Coverdell Education Savings Account or a 529 plan) may not be taxable if the money is used for the stated purpose. Interest from a Roth IRA or traditional IRA is not reported as interest income on your tax return; instead, it is part of the account's earnings and taxed according to IRA rules when you withdraw money. If you are unsure whether a particular account's interest is taxable, check the account agreement or ask your bank.

If you earned interest in a joint account, you and the other account holder may each owe tax on a portion of the interest, depending on how the account is titled and your state's rules. The bank typically reports the full amount on a single 1099-INT, so you may need to split the reported interest with the other owner when you file your return.

Frequently Asked Questions

Do I have to report interest if I earned less than $10?

Yes. The $10 threshold only determines whether your bank sends a 1099-INT form. You must report all interest income on your tax return, regardless of amount. If you earned $5 in interest and no form was issued, you still owe tax on that $5.

What if my bank sent me a 1099-INT with the wrong amount?

Contact your bank immediately and ask them to issue a corrected form (1099-INT with a "Corrected" box checked). Once you receive the corrected form, report the correct amount on your tax return. If you already filed, you may need to file an amended return.

Can I deduct savings account interest as a loss?

No. Interest income cannot be deducted or offset against other income. You report it as income and pay tax on it. You cannot claim a loss because your interest rate was low or because you lost money elsewhere.

Do I report interest differently if I'm self-employed?

No. Self-employed people report interest income the same way as everyone else—on Schedule 1, Line 8a of Form 1040. Interest is not business income, so it does not go on Schedule C.

What if I moved during the tax year and didn't receive my 1099-INT?

Contact your bank and provide your current address. They can remail the form or provide a duplicate. You can also view your account online to see the interest credited during the year. Report the amount you earned, even if you never receive the physical form.