What tax-exempt interest income is

Tax-exempt interest income is money you earn from lending money to certain organizations — usually state and local governments or nonprofits — that the federal government does not tax. When you buy a municipal bond or invest in certain savings accounts, the interest you receive is yours to keep without reporting it as taxable income on your federal return.

The reason these investments exist is policy: the federal government wants to make it cheaper for cities, counties, and states to borrow money for schools, roads, and water systems. By letting investors keep the interest tax-free, the government encourages people to lend to these organizations at lower interest rates than they would otherwise demand.

Tax-exempt interest is different from regular interest you earn on a savings account or CD, which you must report and pay taxes on. It is also different from tax deductions, which reduce the income you report. Tax-exempt interest never gets reported as income in the first place.

Key Takeaways

  • Tax-exempt interest comes from municipal bonds, certain savings bonds, and some nonprofit investments, and you do not report it on your federal tax return.
  • State and local governments issue most tax-exempt bonds to fund schools, infrastructure, and public services at a lower cost than taxable borrowing.
  • You still must report tax-exempt interest on your tax return even though it is not taxed, because the IRS uses that information to calculate other tax items.
  • Tax-exempt interest may affect your may be able to access for certain tax credits and deductions, so reporting it accurately matters even though you pay no tax on it.
  • Some tax-exempt interest is also exempt from state and local taxes if you live in the state that issued the bond.

Where tax-exempt interest comes from

The most common source is municipal bonds — debt issued by states, cities, counties, and other local government bodies. When you buy a municipal bond, you are lending money to that government. The interest payments you receive are exempt from federal income tax. Examples include bonds issued to build schools, repair highways, or finance water treatment plants.

A second source is Series EE and Series I savings bonds issued by the U.S. Treasury, but only under specific conditions. If you use the proceeds to pay for may have access to education expenses — tuition and fees at an accredited school — the interest becomes tax-exempt. You must meet income limits and other requirements for this exemption to apply.

A third source is bonds issued by certain nonprofit organizations, particularly hospitals and universities. These organizations can issue tax-exempt bonds to finance capital projects like building a new wing or research facility. The interest you earn is exempt from federal tax.

Some state and local governments also issue bonds that are exempt from state and local taxes in addition to federal tax. If you live in the state that issued the bond, you may owe no tax on the interest at any level.

How to report tax-exempt interest on your return

Even though you do not pay federal tax on this interest, you must still report it. The IRS requires you to list tax-exempt interest on Form 1040, line 2a. This seems backwards — you are reporting income you do not owe tax on — but the IRS uses this number to calculate whether you may have access to for certain credits and deductions that have income limits.

Your bank or investment firm will send you a Form 1099-INT at the end of the year showing how much tax-exempt interest you earned. Use this form to fill in line 2a on your 1040. If you earned tax-exempt interest from multiple sources, add them all together and report the total.

Do not enter tax-exempt interest on the line for taxable interest. The two are separate. Taxable interest goes on line 2b; tax-exempt interest goes on line 2a. If you use tax software, it will usually prompt you for both amounts separately.

Why reporting tax-exempt interest matters even though you pay no tax

Reporting this income affects your may be able to access for several tax benefits. The Earned Income Tax Credit (EITC), the Child Tax Credit, and the American Opportunity Credit all have income limits. Tax-exempt interest counts toward those limits, even though you pay no tax on it. If your tax-exempt interest pushes you over the limit, you may lose part or all of a credit you would otherwise receive.

Tax-exempt interest also affects whether you must file a return at all. If your only income is tax-exempt interest, you may not have to file. But if you have other income and tax-exempt interest, the combination may trigger a filing requirement.

Additionally, if you are over 65 or blind, tax-exempt interest is included in the calculation that determines your standard deduction amount. A higher standard deduction means less taxable income, so this can work in your favor.

State and local tax treatment of municipal bond interest

Federal tax exemption is automatic for municipal bond interest, but state and local tax treatment varies. Most states do not tax interest from bonds issued within that state. If you live in New York and own a New York municipal bond, you typically owe no state or local tax on the interest.

However, if you live in one state and own a bond issued by another state, you usually must pay tax on that interest to your home state. For example, if you live in California and own a Texas municipal bond, California will tax the interest even though the federal government does not.

A handful of states — including Illinois, Iowa, Kansas, Louisiana, Mississippi, Missouri, Oklahoma, and South Carolina — tax no municipal bond interest at all, regardless of which state issued the bond. If you live in one of these states, you get both federal and state exemption on all municipal bonds you own.

The trade-off: lower interest rates for tax savings

Municipal bonds pay lower interest rates than taxable bonds because of the tax exemption. A municipal bond might pay 3 percent while a comparable corporate bond pays 5 percent. The difference reflects the value of the tax break.

Whether a municipal bond makes sense for you depends on your tax bracket. If you are in a high tax bracket, the tax savings may outweigh the lower interest rate. If you are in a low bracket or have little taxable income, a taxable bond paying higher interest might leave you with more money after taxes.

You can calculate the taxable equivalent yield to compare. Divide the municipal bond's interest rate by one minus your tax bracket. For example, if a municipal bond pays 3 percent and you are in the 24 percent tax bracket, the taxable equivalent is 3 ÷ (1 − 0.24) = 3.95 percent. If a taxable bond pays less than 3.95 percent, the municipal bond is the better deal for you.

Frequently Asked Questions

Do I have to report tax-exempt interest if I earned less than $1,500?

Yes. There is no minimum amount for reporting tax-exempt interest. If you earned any amount, report it on line 2a of Form 1040. The IRS uses even small amounts to verify your income and calculate your may be able to access for credits and deductions.

Can I deduct losses on a municipal bond I sold?

Yes. If you sell a municipal bond for less than you paid for it, you can deduct the loss as a capital loss on Schedule D. The tax-exempt status applies only to interest, not to gains or losses from selling the bond itself.

What if I inherited municipal bonds — is the interest still tax-exempt?

Yes. Tax-exempt status follows the bond, not the owner. Interest from inherited municipal bonds remains exempt from federal tax. You report it the same way you would if you had purchased the bonds yourself.

Does tax-exempt interest affect my Social Security taxation?

Yes. The IRS includes tax-exempt interest in the calculation that determines whether your Social Security benefits are taxable. Higher tax-exempt interest can push more of your benefits into the taxable range, even though the interest itself is not taxed.