Utah Income
Tax Rates & Rules
Utah has a flat state income tax rate of 4.5%, applied to all taxable income regardless of income level.
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Utah Flat Income Tax Rate
Utah tax year rates, most recently confirmed by the state Department of Revenue.
All Filing Statuses
| Taxable Income | Rate |
|---|---|
| All taxable income | 4.5% |
Utah applies a single flat rate to all taxable income, regardless of income level or filing status.
Sources: Utah State Tax Commission — Individual Income Tax Rate. Last verified: August 14, 2026.
Utah uses a flat 4.45% individual income tax rate for 2026. The 2026 Legislature reduced the state rate from 4.50% to 4.45% and the Utah State Tax Commission's August 19, 2026 draft TC-40 calculates Utah tax by multiplying Utah taxable income by 4.45%.
Utah's final income tax is not simply 4.45% of federal income. The return starts with federal adjusted gross income, applies Utah additions and subtractions, calculates Utah taxable income then applies a taxpayer tax credit based partly on federal deductions and Utah dependent exemptions.
Source: Utah 2026 Draft TC-40
Source: Utah 2026 Income Tax Rate Amendment Summary
What Is the Utah Income Tax Rate for 2026?
The Utah individual income tax rate for 2026 is 4.45%.
Utah Taxable Income × 4.45% = Preliminary Utah Tax
Utah does not use graduated individual income tax brackets. However, the taxpayer tax credit and its phase-out can make the taxpayer's effective rate different from 4.45%.
The 2026 Legislature's S.B. 60 reduced the individual and corporate income tax rates from 4.50% to 4.45%. The Tax Commission also revised 2026 withholding schedules to reflect the 4.45% rate.
Source: Utah 2026 Tax Legislation Summary
Source: Utah Publication 14
How Is Utah Income Tax Calculated in 2026?
Utah's 2026 draft return starts with federal adjusted gross income then applies state additions and subtractions before calculating the 4.45% tax and taxpayer credit.
- Start with federal adjusted gross income.
- Add income adjustments reported on Utah Schedule TC-40A.
- Subtract eligible Utah subtractions and any state tax refund adjustment.
- Determine Utah taxable income.
- Multiply Utah taxable income by 4.45%.
- Calculate the Utah personal exemption for qualifying dependents.
- Add the federal standard or itemized deduction used in the Utah taxpayer credit calculation.
- Calculate the 6% initial taxpayer credit.
- Apply the 1.3% phase-out calculation.
- Subtract the final taxpayer credit from preliminary Utah tax.
- Apply additional Utah credits and nonresident apportionment when relevant.
Utah Personal Exemption for 2026
The August 19, 2026 draft TC-40 lists a Utah personal exemption of $2,167 for each qualifying dependent counted on the return.
Qualifying Dependents × $2,167 = 2026 Utah Personal Exemption
The dependent exemption is used as part of the taxpayer tax credit calculation. It is not a direct subtraction from tax dollar for dollar.
Source: Utah 2026 Draft TC-40
How the Utah Taxpayer Tax Credit Works
Utah's taxpayer tax credit reduces preliminary tax and is based on qualifying dependents plus the taxpayer's federal standard or itemized deduction, adjusted for state income tax included in federal itemized deductions.
| 2026 Draft TC-40 Step | Amount or Rule |
|---|---|
| Dependent exemption | $2,167 per qualifying dependent |
| Initial taxpayer credit | 6% of qualifying exemptions plus adjusted federal deduction |
| Single / MFS phase-out base | $18,696 |
| Head of household phase-out base | $28,045 |
| MFJ / qualifying surviving spouse phase-out base | $37,392 |
| Phase-out percentage | 1.3% of Utah taxable income above the applicable base |
The phase-out can reduce the taxpayer credit as Utah taxable income rises. If the phase-out equals or exceeds the initial credit, the taxpayer tax credit becomes zero.
Source: Utah 2026 Draft TC-40
Qualified Exempt Taxpayers in Utah
Utah provides a qualified-exempt-taxpayer rule for certain lower-income taxpayers.
The current TC-40 framework treats taxpayers as exempt from Utah income tax when federal adjusted gross income does not exceed the applicable federal standard deduction under the Utah worksheet rules. The 2026 draft TC-40 retains a qualified exempt taxpayer checkbox, but taxpayers should use the final 2026 instructions for the exact worksheet.
Source: Utah Current Forms and Publications
Utah Earned Income Tax Credit
Utah provides a nonrefundable state Earned Income Tax Credit for eligible taxpayers who claim the federal EITC and have qualifying Utah W-2 wages.
Current 2026 Utah State Tax Commission audit guidance states that the credit is the lesser of 20% of the federal EITC or the total Utah wages shown on W-2s received. Self-employment income by itself does not satisfy the Utah wage requirement described in that guidance.
Source: Utah Earned Income Tax Credit Guidance
Utah Child Tax Credit Changes for 2026
Utah expanded its nonrefundable child tax credit in 2026 by increasing the income thresholds used for the credit's phase-out.
The 2026 Legislature passed H.B. 290, Child Tax Credit Amendments. The legislative summary describes the change as expanding eligibility through higher income-based phase-out thresholds. The final 2026 TC-40 instructions should be used for the exact phase-out calculation when filing.
Source: Utah 2026 Tax Legislation Summary
Who Must File a Utah Individual Income Tax Return?
Utah residents and part-year residents who must file a federal return generally must file a Utah TC-40. Nonresidents with Utah-source income can also have a Utah filing requirement.
Utah generally requires the federal return to be completed first because federal adjusted gross income is the starting point for the state calculation. Nonresidents and part-year residents use TC-40B to apportion Utah tax.
Utah also provides a limited filing exemption for certain nonresidents who work in Utah for 20 days or less and meet the statutory requirements, subject to exceptions for specified workers and high-level employees.
Utah Residents With Income From Other States
Utah residents are generally taxed on Utah taxable income even when some income is earned outside Utah, but a credit for income tax paid to another state can reduce double taxation when the requirements are met.
Nonresidents and part-year residents use Utah's apportionment schedule to determine how much tax is attributable to Utah-source income. Multistate taxpayers should use the current TC-40B and TC-40S instructions.
Does Utah Require Quarterly Estimated Tax Payments?
Utah does not generally require individuals to make quarterly estimated income tax payments.
Individuals can make voluntary prepayments during the year. Utah's current filing framework instead focuses on meeting prepayment requirements by the original return due date when using the automatic filing extension.
The current Utah instructions generally require sufficient prepayment based on current-year or prior-year liability to avoid extension-related penalties. The final 2026 TC-40 instructions should be used for exact 2026 percentages and deadlines.
Source: Utah Current Forms and Publications
Utah Withholding vs. Final Income Tax
Utah wage withholding is a prepayment toward annual state income tax rather than the final tax calculation.
Payroll withholding uses Publication 14 schedules while the annual TC-40 applies Utah taxable income, the taxpayer tax credit, other credits and nonresident allocation when applicable.
To estimate the paycheck-level effect of Utah withholding, use the Utah Paycheck Calculator.
Frequently Asked Questions
What Is the Utah Income Tax Rate for 2026?
Utah's 2026 individual income tax rate is 4.45%.
Does Utah Have Income Tax Brackets?
No. Utah uses a flat individual income tax rate rather than graduated state tax brackets.
What Is the Utah Personal Exemption for 2026?
The August 19, 2026 draft TC-40 lists $2,167 per qualifying dependent for the Utah personal exemption used in the taxpayer credit calculation.
How Does the Utah Taxpayer Credit Work?
The 2026 draft return calculates an initial credit at 6% of qualifying exemptions plus the adjusted federal standard or itemized deduction then phases the credit down at 1.3% above filing-status-based income thresholds.
Does Utah Have an Earned Income Tax Credit?
Yes. Current 2026 Tax Commission guidance describes a nonrefundable credit equal to the lesser of 20% of the federal EITC or qualifying Utah W-2 wages.
Does Utah Require Quarterly Estimated Tax Payments?
Utah does not generally require individuals to make quarterly estimated tax payments, though taxpayers can make prepayments and must meet payment requirements for an extension.