Yes, you must report checking account interest as income on your federal tax return
Any interest your bank pays you on a checking account is taxable income. The IRS requires you to report it, even if the amount is small. Your bank will send you a Form 1099-INT in January if you earned $10 or more in interest during the previous year, but you must report the interest regardless of whether you receive the form.
The threshold matters for the bank's reporting requirement, not for your obligation to report. If you earned $5 in interest and received no 1099-INT, you still owe tax on that $5. The amount goes on your federal tax return as ordinary income, taxed at your regular income tax rate.
Key Takeaways
- All checking account interest is taxable income and must be reported on your federal tax return, even amounts under $10.
- Your bank sends Form 1099-INT only if you earned $10 or more in interest during the year, but you report the interest either way.
- Interest income goes on Schedule 1 (Form 1040) as ordinary income and is taxed at your regular tax rate.
- If you earned interest but did not receive a 1099-INT, you can find the amount on your year-end bank statement or online account history.
- Some states also tax interest income, so check your state's tax rules if you live in a state with income tax.
How the IRS knows about your checking account interest
Banks report interest payments to the IRS on Form 1099-INT. When you file your tax return, the IRS matches the income you report against the 1099-INT forms they receive from banks. If you report less than what the bank reported, or if you do not report the interest at all, the IRS will flag the discrepancy.
This matching system is automated. The IRS does not manually review every return, but computers cross-check reported income against third-party reports. Unreported interest is one of the easiest things for the IRS to catch because the bank has already told them the amount.
Where to find your interest income if you did not get a 1099-INT
If your interest was under $10 for the year, your bank will not send a 1099-INT, but you still need to know the amount. Log into your online banking account and look for a year-end statement or interest summary. Most banks provide this in December or early January.
You can also call your bank's customer service line and ask for your total interest earned in the previous calendar year. Have your account number ready. The bank can tell you the exact amount in a few minutes, and some banks will email you a summary.
If you use a high-yield checking account, interest may be paid monthly, so you may need to add up several deposits. Regular checking accounts typically pay little or no interest, so if you have a standard account at a traditional bank, your interest is probably zero or close to it.
How to report checking account interest on your tax return
Interest income goes on Schedule 1 (Form 1040), which is part of the federal tax return. You list the total amount of interest you earned from all sources — checking accounts, savings accounts, money market accounts, and certificates of deposit all go on the same line.
If you received a 1099-INT, the form will show the interest amount in Box 1. Copy that number onto Schedule 1, line 2a (Interest). If you earned interest but did not receive a 1099-INT, you write in the amount yourself based on your bank statement or the information you gathered from your bank.
The interest is added to your other income and taxed at your ordinary income tax rate. It does not get special treatment — it is not a capital gain or a deduction. The more income you have from all sources, the higher your tax bracket, and the more tax you owe on the interest.
State taxes on checking account interest
Most states that have an income tax also tax interest income the same way the federal government does. You report it on your state tax return, usually on a line similar to the federal form. A few states do not tax interest income at all, and some have special rules for certain types of accounts or taxpayers.
Check your state's tax website or ask a tax preparer about your state's rules. If you live in a state with no income tax — such as Florida, Texas, or Wyoming — you do not owe state tax on the interest, but you still owe federal tax.
What happens if you do not report checking account interest
If the IRS discovers unreported interest, you will owe back taxes on that amount plus interest and possibly penalties. The penalty for not reporting income is typically 20 percent of the underpaid tax, though it can be higher if the IRS determines the omission was intentional.
The IRS usually catches unreported interest through the 1099-INT matching process. If you earned $10 or more, the bank reported it, and you did not, the IRS will send you a notice. You will have to pay the tax owed, plus the interest that accrues on the unpaid amount, plus the penalty.
Even small amounts are worth reporting correctly. The cost of a penalty and back interest is always more than the tax you would have owed in the first place. If you made a mistake on a prior year return, you can file an amended return (Form 1040-X) to correct it.
High-yield accounts and interest reporting
High-yield checking and savings accounts pay significantly more interest than traditional bank accounts — sometimes 4 to 5 percent annually, compared to 0.01 percent or less at a regular bank. This means you are much more likely to receive a 1099-INT and to owe tax on a meaningful amount.
If you have money in a high-yield account, plan for the tax bill. The interest is not withheld automatically, so you may need to make estimated tax payments during the year if the interest is large enough to change your tax situation. Talk to a tax preparer if you are unsure whether you need to make quarterly payments.
Frequently Asked Questions
Do I have to report interest if I only earned a few dollars?
Yes. The IRS requires you to report all interest income, regardless of the amount. The $10 threshold is only for the bank's requirement to send you a 1099-INT form, not for your requirement to report the income.
What if my bank sent me a 1099-INT but I think the amount is wrong?
Contact your bank and ask them to verify the calculation. If they made an error, they will issue a corrected 1099-INT (marked as a correction). You then report the corrected amount on your tax return. Keep documentation of the correction in case the IRS questions the discrepancy.
Can I deduct fees my bank charged against the interest I earned?
No. You report the full interest amount as income. Bank fees are not deductible on your personal tax return. You report the gross interest, not the net amount after fees.
Do I need to report interest from a joint checking account?
Yes, but only the owner or owners who are responsible for the account report it. If the account is in your name only, you report all the interest. If it is a joint account, the person whose Social Security number appears on the 1099-INT reports the interest, or you split it according to your ownership agreement.
What if I moved money to a high-yield account mid-year and earned interest for only a few months?
You report whatever interest you actually earned, even if it is only for part of the year. The bank will calculate it correctly on the 1099-INT or your statement. There is no special rule for partial-year accounts.