Utah has a state income tax, and it applies to most residents and workers
Utah charges state income tax on wages, self-employment income, interest, dividends, and other earnings. The tax rate is a flat 4.65% on most income, though this rate can change year to year—check the Utah State Tax Commission website for the current rate before filing. Unlike some states, Utah does not exempt retirement income or Social Security from taxation, though certain types of retirement distributions may have partial exemptions depending on your age and income source.
If you work in Utah or live there, you will owe state income tax on your earnings. If you work out of state but live in Utah, you still file a Utah return. If you live out of state but work in Utah, you may owe tax to both Utah and your home state, though Utah offers a credit for taxes paid to other states to prevent double taxation.
Key Takeaways
- Utah's flat income tax rate is 4.65% on most types of income, though the rate may vary by tax year.
- Utah taxes wages, self-employment income, interest, dividends, and retirement distributions, with limited exemptions.
- If you live in Utah, you file a state return even if you work out of state; if you work in Utah but live elsewhere, you may owe tax to both states.
- Utah offers a tax credit for income taxes paid to other states to reduce the burden of owing tax in multiple states.
Who has to file a Utah state income tax return
You must file a Utah return if you lived in Utah on December 31 of the tax year and had income above the filing threshold. The threshold changes annually and depends on your filing status (single, married filing jointly, head of household, and so on). For the 2023 tax year, a single filer with $13,850 or more in income had to file; married filing jointly filers with $27,700 or more had to file. Check the Utah State Tax Commission website for the current year's thresholds before you file.
You must also file if you had Utah income tax withheld from your paychecks, even if your total income falls below the threshold—this is how you recover that withheld money. If you are self-employed, the threshold is lower: you must file if your net self-employment income is $400 or more, regardless of other income.
Income that Utah taxes and income that it does not
Utah taxes most forms of income: W-2 wages, self-employment income, interest, capital gains, dividends, rental income, and distributions from retirement accounts. Social Security benefits are taxable in Utah if your combined income (adjusted gross income plus half your Social Security) exceeds certain thresholds. Military retirement pay is taxable. Pension income is taxable unless you meet specific age and service requirements.
Some income is exempt or partially exempt. Certain distributions from military retirement accounts may be excluded. Income from municipal bonds issued by Utah municipalities is exempt. Certain types of retirement account distributions may may have access to for exemptions if you meet age requirements—typically age 55 or older for some pension distributions—but you must review your specific situation with the tax forms or a tax professional, as the rules vary by account type and source.
How to file your Utah state income tax return
You can file your Utah return using tax software, by mail, or through a tax professional. Most tax software platforms (TurboTax, H&R Block, TaxAct, and others) include Utah state return preparation. When you use software, you enter your federal information, and the software calculates your Utah tax based on your income and deductions. You then file the completed return electronically or print it and mail it to the Utah State Tax Commission.
If you file by mail, you need Form TC-40 (Utah Individual Income Tax Return) and any supporting schedules for income types beyond wages. You can read these forms from the Utah State Tax Commission website. Mail your return and any payment to the address listed on the form. The filing important date is April 15 unless that date falls on a weekend or holiday, in which case it moves to the next business day.
If you cannot file by April 15, you can request an extension by filing Form TC-40-EXT. An extension gives you until October 15 to file, but it does not extend the important date to pay taxes owed—you still owe payment by April 15 to avoid penalties and interest.
Deductions and credits available in Utah
Utah allows you to claim the standard deduction or itemize deductions, just as you do on your federal return. The Utah standard deduction amount is based on your federal standard deduction and your filing status. If you itemize on your federal return, you generally itemize on your Utah return as well.
Utah offers several tax credits that can reduce your tax liability. The Earned Income Tax Credit (EITC) is available to low- and moderate-income workers and is calculated based on your federal EITC. Utah also offers credits for dependent children, education expenses (such as tuition and fees), and certain types of retirement savings. Some credits are refundable, meaning you can receive money back even if you owe no tax; others are nonrefundable and can only reduce your tax to zero.
What happens if you do not pay or file on time
If you do not file by the important date, the Utah State Tax Commission charges a failure-to-file penalty of 5% of the unpaid tax per month, up to a maximum of 25%. If you do not pay by the important date, a failure-to-pay penalty of 0.5% per month (up to 25%) is added to your bill. Interest accrues daily on any unpaid balance at a rate set by the state, which changes quarterly.
If you filed late but paid on time, you may avoid the failure-to-pay penalty but still owe the failure-to-file penalty. If you owe a large amount and cannot pay in full, the Utah State Tax Commission allows payment plans. You can contact them to arrange a plan, though interest and penalties continue to accrue until the balance is paid in full.
Working in Utah but living in another state
If you work in Utah but live in another state, you owe income tax to Utah on the wages you earned there. You also owe income tax to your home state on all your income. To prevent paying tax twice on the same money, Utah offers a credit for taxes paid to other states. You claim this credit on your Utah return by reporting the taxes you paid to your home state, and Utah reduces your Utah tax liability by that amount (up to the amount of Utah tax you owe).
You will file returns in both states. Your home state return will show all your income; your Utah return will show only your Utah-source income. The credit ensures you do not pay the full tax rate to both states on the same earnings. If your home state's tax rate is higher than Utah's, you may still owe your home state more tax overall, but Utah will not add additional tax on top.
Frequently Asked Questions
Does Utah tax retirement income and Social Security?
Yes, Utah taxes Social Security benefits if your combined income exceeds certain thresholds, and it taxes most retirement account distributions. Some military retirement pay and certain pension distributions may may have access to for partial exemptions if you meet age and service requirements, but the rules vary by account type. Review your specific situation with the tax forms or a professional.
What is the Utah state income tax rate?
Utah uses a flat tax rate of 4.65% on most income as of the 2023 tax year, though this rate can change annually. Always check the Utah State Tax Commission website for the current year's rate before calculating your tax liability or filing your return.
Can I file my Utah return online?
Yes. Most major tax software platforms allow you to prepare and file your Utah return electronically. You can also file by mail using Form TC-40 and supporting schedules. The Utah State Tax Commission website has links to approved software providers and downloadable forms.
What if I moved out of Utah during the year?
You file a Utah return for the part of the year you lived in Utah and a return in your new state for the remainder of the year. Each state taxes only the income you earned while you lived there. You may owe tax to both states, but your new state may offer a credit for taxes paid to Utah to reduce double taxation.
Do I have to file a Utah return if I had taxes withheld but earned below the threshold?
Yes. If your employer withheld Utah income tax from your paychecks, you must file a return to recover that money, even if your total income is below the filing threshold. Filing allows you to claim a refund of the taxes withheld.