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UT

State · 2026 tax year · Flat Tax

Utah 2026 Income Tax

According to the Utah Department of Revenue August 2026 schedule, Utah applies a flat 4.50% to all taxable income. Walk the math and compute your full federal + state + FICA take-home.

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$4,500 state tax on $100K

A single filer with $100,000 of taxable income in Utah owes $4,500 in state income tax (4.50% effective; structure: Flat Tax). Rank #29 of 51 by state-tax burden (1 = lowest).

  • Burden rank #29 of 51 at $100K single
  • Top marginal rate 4.50%
  • 2026 tax year · IRS + state DOR schedules

Utah at $100K, in one line

A single filer earning $100,000 of taxable income owes $4,500 in Utah state income tax, a 4.50% effective rate, well below the 4.50% headline top rate. That ranks Utah#29 of 51 jurisdictions by state-tax burden (1 = lowest), under a single flat rate.

Utah Department of Revenue 2026 schedule · Tax Foundation How we calculate →

$4,500
state tax at $100K
4.50%
effective state rate
#29
of 51 1 = lowest
4.50%
top marginal rate
Where $100,000 of taxable income goes in Utah
Illustration for a single filer with $100,000 of taxable income ($116,100 gross wages before the 16,100 standard deduction). Federal brackets from IRS Rev. Proc. 2025-32; Utah from the 2026 Department of Revenue schedule.

Department of Revenue bracket ticket

Utah DOR bracket ticket UT · 2026 · flat

Utah · $4,500 @ $100K · #29/51

Utah line from the 2026 Department of Revenue schedule vs IRS Rev. Proc. 2025-32, reference math, not a filing. Read with Utah → · Model your own →

Utah in the $100K burden neighbourhood

New Mexico$4,358Colorado$4,400Utah$4,500Missouri$4,519Wisconsin$4,696
State income tax at $100K taxable (single) among Utah and nearest burden-scale peers. Source: each state's 2026 Department of Revenue schedule.
Utah effective state rate at $100K (single filer) 4.5%
Federal effective @ $100K

The percentage is Utah's state income tax at $100K of taxable income, not a fill-ratio against federal. The marker is the ~16.9% federal effective rate at the same income. The heaviest state income-tax line at $100K is about 8.4% (Oregon), so state tax stacks well under federal in every state.

How Utah compares to nearby states on the burden scale

States immediately above and below Utah on the $100K single-filer burden scale, sorted by burden ascending.

The comparison ranks 5 states clustered around Utah on burden, not by geographic proximity. The Selected tag marks Utah; cards on either side show the next-cheaper and next-more-expensive jurisdictions, useful for understanding whether your state's rate is broadly competitive in its tier or an outlier. Each peer card links to its own bracket schedule for a deeper comparison.

NM

New Mexico

5.90% top marginal rate
Structure
Progressive
Burden @ $100K
$4,358
Brackets
6

CO

Colorado

4.40% top marginal rate
Structure
Flat tax
Burden @ $100K
$4,400
Brackets
1
Selected

UT

Utah

4.50% top marginal rate
Structure
Flat tax
Burden @ $100K
$4,500

MO

Missouri

4.70% top marginal rate
Structure
Progressive
Burden @ $100K
$4,519
Brackets
8

WI

Wisconsin

7.65% top marginal rate
Structure
Progressive
Burden @ $100K
$4,696
Brackets
4

About Utah 2026 Income Tax

Utah applies a flat 4.50% income tax to all taxable income, one of fourteen US flat-rate jurisdictions. The flat structure produces predictable per-dollar tax cost regardless of income level, simplifying filing relative to the twenty-eight progressive-bracket states. At $100,000 single-filer 2026 taxable income Utah state tax equals approximately $4500. Combined with federal income tax ($16,914 single, 2026) and FICA ($7,650 on $100K wages) the total tax burden equals roughly $29064 - effective combined rate 29.06%.

Key Utah Tax Notes (2026)

Flat 4.5% rate (reduced from 4.55% via H.B. 106, retroactive to Jan 1 2025).

Source: Utah Department of Revenue, 2026 personal income tax publications. Source: Tax Foundation State Individual Income Tax Rates and Brackets 2026. Source: IRS Revenue Procedure 2025-32, 2026 federal inflation adjustments.

2026 Federal Brackets That Stack on Utah (Single Filer)

State income tax applies after federal brackets on the same taxable income base. Federal rows from IRS Rev. Proc. 2025-32; compare the full federal hub at /federal/.

Taxable income range Federal marginal rate
$0 – $12,400 10.00%
$12,400 – $50,400 12.00%
$50,400 – $105,700 22.00%
$105,700 – $201,775 24.00%
$201,775 – $256,225 32.00%
$256,225 – $640,600 35.00%
$640,600 and above 37.00%

2026 Federal Brackets (Married Filing Jointly)

Taxable income range Federal marginal rate
$0 – $24,800 10.00%
$24,800 – $100,800 12.00%
$100,800 – $211,400 22.00%
$211,400 – $403,550 24.00%
$403,550 – $512,450 32.00%
$512,450 – $768,700 35.00%
$768,700 and above 37.00%

Source: IRS Revenue Procedure 2025-32, 2026 inflation-adjusted brackets.

Combined Utah + Federal + FICA at Common Incomes (Single)

Taxable-income tiers walk the published Utah schedule plus IRS federal brackets and 2026 FICA on gross wages before the $16,100 standard deduction. Reference math only.

Taxable income Utah tax Federal tax FICA Total tax Est. take-home
$50,000 $2,250 $5,752 $5,057 $13,059 $53,041
$100,000 $4,500 $16,712 $8,882 $30,094 $86,006
$200,000 $9,000 $40,598 $14,717 $64,315 $151,785

Source: Utah Department of Revenue 2026 schedule · IRS Rev. Proc. 2025-32 · 2026 FICA rates from IRS/SSA publications.

Utah ranks #29 of 51 US jurisdictions by state tax burden at $100K single-filer income (1 = lowest burden).

Quick Utah State Tax Estimate

Enter taxable income and filing status to see Utah state tax owed for 2026. The estimate walks the matching Department of Revenue bracket schedule (single and married-jointly are separate keys when the state publishes different widths). For full federal + state + FICA, use the main calculator.

Read with this jurisdiction

Drills shaped by Utah's flat tax architecture, not a generic tool list.

Every figure on PlainTaxCalc is rendered directly from IRS Revenue Procedure and state Department of Revenue data, no number is typed in by an editor. This state's figures are rendered directly from IRS Revenue Procedure and state Department of Revenue data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data issue on this page. Data current as of August 2026.

A published rate is a schedule line, not a filing recommendation. The calculator's take-home figure applies the standard deduction only, it excludes credits, AMT, and itemized deductions. These pages explain the issued tables; they are not tax advice.