Yes, you must report all checking account interest on your tax return, even small amounts
The IRS requires you to report every dollar of interest your checking account earns, no matter how little. If your bank paid you $1 in interest, that $1 is taxable income. There is no minimum threshold — the IRS does not say "report it only if it's over $10" or "$25" or any other amount. Your bank will send you a Form 1099-INT if the interest reaches $10 or more in a calendar year, but you still owe tax on smaller amounts even if you never receive a form.
Most checking accounts earn almost no interest in practice, so this is rarely a problem. But if you have a high-yield checking account, a money market account, or a large balance in a regular account, the interest can add up quickly. The interest rate varies by bank and changes month to month, so you cannot predict the exact amount until the year ends.
Key Takeaways
- You must report all checking account interest on your federal tax return, including amounts under $10 that do not generate a Form 1099-INT.
- Your bank sends Form 1099-INT only when interest reaches $10 or more, but you are responsible for reporting smaller amounts yourself.
- Interest income is added to your other income and taxed at your ordinary income tax rate, not at a special rate.
- You report the interest on Schedule 1 (Form 1040) or Schedule B (Form 1040) depending on how much total interest you earned that year.
How the IRS knows about your checking account interest
Your bank tracks the interest it pays you and reports it to the IRS on Form 1099-INT. The bank also sends you a copy of that form, usually by January 31 of the following year. The IRS receives its own copy at the same time, so they know what interest was paid to you.
If you do not report the interest on your return and the IRS has a record of it on Form 1099-INT, the mismatch will be caught during processing or in a later audit. The IRS computer system matches income reported on your return against the 1099 forms filed by banks and other payers. A missing $15 in interest might not trigger an audit, but it can result in a notice asking you to explain the difference.
For amounts under $10, the bank does not send Form 1099-INT, but you are still legally required to report the interest. The IRS has no automatic record of it, so the risk of detection is lower — but the obligation remains.
Where to report checking account interest on your tax return
If your total interest income for the year is $1,500 or less, you report it on Schedule 1 (Form 1040), line 8, labeled "Interest." You add this amount to your other income on your main Form 1040.
If your total interest income exceeds $1,500, you must use Schedule B (Form 1040) instead. Schedule B requires you to list each source of interest separately — so you would list your checking account interest, any savings account interest, bond interest, and so on. You then transfer the total from Schedule B to Schedule 1, line 8.
Most people use tax software that handles this routing automatically. You enter the interest amount, and the software puts it in the right place. If you file by hand, the Form 1040 instructions tell you which schedule to use based on your total interest income.
How checking account interest is taxed
Interest income is taxed as ordinary income, meaning it is added to your wages, self-employment income, and other earnings and taxed at your regular income tax rate. It does not get a special lower rate like some capital gains do. If you are in the 22% tax bracket, interest is taxed at 22%. If you are in the 12% bracket, it is taxed at 12%.
The interest also counts toward your total income for purposes of other tax rules. For example, if you are close to a threshold for the Alternative Minimum Tax, or if your income affects your Social Security taxation, the interest can push you over the line and trigger those rules.
State and local income tax also applies to checking account interest in most states. You report it on your state return the same way you report it federally. A few states do not tax interest income, but most do.
What happens if you receive Form 1099-INT
Your bank will mail Form 1099-INT to you by January 31 if you earned $10 or more in interest during the year. The form shows the interest amount in box 1. You should receive it even if you have not yet filed your tax return for that year.
Check the form for accuracy. If the amount is wrong — for example, if the bank shows $50 but you earned only $30 — contact the bank and ask for a corrected form. The bank will issue a corrected 1099-INT and send it to both you and the IRS. Do not ignore the discrepancy and report a different number on your return; the IRS will see the mismatch.
Keep the Form 1099-INT with your tax records. You do not send it to the IRS with your return, but you need it to support the interest amount you report. If you are audited, the IRS will ask to see it.
Interest from high-yield checking accounts and money market accounts
High-yield checking accounts and money market accounts often pay significantly more interest than regular checking accounts. Some banks offer rates of 4% to 5% annually on balances up to a certain limit. If you have $10,000 in such an account at 4.5%, you would earn roughly $450 in interest over a year — a real amount that will show up on Form 1099-INT and must be reported.
The tax treatment is identical to regular checking account interest: you report it on Schedule 1 or Schedule B, and it is taxed as ordinary income. The higher rate does not change the tax rules, only the dollar amount you owe tax on.
Some people move money between accounts to manage interest income, but this does not reduce your tax obligation. The interest is taxable in the year it is earned, regardless of when you withdraw the money or move it elsewhere.
Interest on joint accounts and accounts held in trust
If you own a checking account jointly with another person, the interest belongs to both of you unless you have a written agreement saying otherwise. The bank will issue Form 1099-INT in the name of the first account owner listed, but both owners are responsible for reporting their share of the interest. You and the joint owner must decide how to split the interest — usually 50-50 — and each report your portion on your own tax return.
If the account is held in trust, the interest may be taxable to the trust or to the beneficiary, depending on the trust structure and whether the interest is distributed or retained. This is a complex area; if you manage a trust account, consult a tax professional about how to report the interest.
Frequently Asked Questions
Do I have to report checking account interest if I earned less than $10?
Yes. The bank only sends Form 1099-INT if interest reaches $10 or more, but you are required to report all interest, including amounts under $10. The IRS has no automatic record of small amounts, but the law still requires you to include it on your return.
What if my bank did not send me a 1099-INT but I earned interest?
Contact the bank and ask why. If you earned $10 or more, the bank should have sent one. If you earned less than $10, the bank is not required to send a form, but you still owe tax on the interest. Report it on your return based on your own records or the bank statement.
Can I deduct expenses to offset checking account interest?
No. Interest income is reported as-is; you cannot deduct account fees, minimum balance penalties, or other costs against it. Those expenses may be deductible in other contexts, but not as an offset to interest income.
Is checking account interest taxed differently than savings account interest?
No. Both are taxed as ordinary income and reported the same way. The account type does not matter — only the interest amount and your tax bracket matter.
What if I earned interest in multiple checking accounts?
Add up all the interest from all your accounts and report the total. If the total is $1,500 or less, report it on Schedule 1, line 8. If it exceeds $1,500, use Schedule B and list each account separately.