Although Financial Institutions don't have to provide a 1099-INT for amounts under $10 that doesn't relieve you of the obligation to report it. Just report it "as if" you received a 1099-INT.
Form 1099-INT reports interest from banks, brokerages, and other financial institutions. Here's how to enter a 1099-INT:
On desktop:
Enter your banks information manually. The Interest no matter how little has to be reported on your tax return. However, banks are not required to report under a certain amount, but your obligation to report does not change.
This is taxable income. The fact that it is only $5 is irrelevant. The only de minimus interest income is if it's under 50 cents and that is due to IRS rounding policies.
Yes, you can enter your taxable interest even if you don't have a 1099-INT. This is how to do it: