Utah Bonus Tax Calculator 2026
Utah has no flat bonus rate, so employers withhold state tax on a bonus with the aggregate method, on top of the 22% federal rate, Social Security and Medicare. See your net bonus, what gets withheld, and how much of it may come back when you file.
Reviewed by Slava Akulov, CEO & Co-Founder at Jupid · Last updated: October 2026
About $78,000 a year before the bonus
Capped at the 2026 limit of $24,500. Leave at 0% if your plan does not take deferrals from bonuses.
Net bonus (cash in your account)
$6,590
from a $10,000 bonus in Utah, 2026
Total withheld
$3,410
Share of the bonus withheld
34.1%
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Withholding Breakdown
Flat 22% supplemental rate
Aggregate method estimate
Withheld vs what you may actually owe
Assumes your regular pay is your only income and you take the standard deduction. Social Security, Medicare and state payroll taxes are final and do not change at filing.
Flat Rate vs Aggregate Method
Your employer picks the method. The aggregate method adds the bonus to one regular paycheck and withholds as if you earned that much every pay period.
| Withheld | Flat rate | Aggregate |
|---|---|---|
| Federal income tax | $2,200 | $2,812 |
| UT income tax | n/a | $445 |
| Net bonus | $6,590 | $5,978 |
How Utah Withholds Tax on Bonuses in 2026
UT bonus withholding
Aggregate
Federal flat rate
22%
Federal, above $1M
37%
Social Security + Medicare
7.65%
Utah has no separate bonus rule. Bonuses are withheld with the regular schedules, which multiply Utah taxable wages by 4.45% for pay periods from June 1, 2026 (4.5% before), minus a base allowance that phases out at higher pay.
Source: Utah State Tax Commission, Publication 14 Withholding Tax Guide (effective June 1, 2026), checked October 30, 2026.
Is a Bonus Taxed Higher in Utah?
No. A bonus is ordinary wage income. It only looks heavily taxed because the employer withholds at flat rates instead of your personal rate. When you file your 2026 return, the bonus is added to your salary and taxed at the same federal brackets and Utah rates as the rest of your pay.
The federal 22% is a good fit for people in the 22% bracket. If your income keeps you in the 10% or 12% bracket, the flat rate over-withholds and the extra comes back as a refund. If the bonus pushes you into the 24%, 32% or higher bracket, 22% is too little and you will owe the difference in April. The calculator compares both numbers for your salary.
Social Security and Medicare work differently: they are a flat 7.65% on wages and are not settled at filing. The one exception is Social Security on wages above $184,500 in 2026. Once your salary plus bonus passes that cap, the 6.2% stops. If two employers both withheld it, you claim the excess back on your return.
Bonus Withholding in States Near Utah
| State | 2026 bonus withholding | Calculator |
|---|---|---|
| Utah | Aggregate method (no flat rate) | This page |
| Arizona | Your Form A-4 rate (0.5% to 3.5%, 2% default) | Arizona bonus tax |
| Colorado | Aggregate method (no flat rate) | Colorado bonus tax |
| Idaho | Flat 5.3% (optional) | Idaho bonus tax |
| Nevada | No state income tax | Nevada bonus tax |
| New Mexico | Flat 5.9% (optional) | New Mexico bonus tax |
| Wyoming | No state income tax | Wyoming bonus tax |
Utah Bonus Tax FAQ
More Pay Tools for Utah
Utah Paycheck Calculator
Take-home pay on your regular salary, per paycheck.
Utah Hourly Paycheck Calculator
Hourly pay with overtime, after federal and state taxes.
Utah Tax Withholding Calculator
Check whether your W-4 withholding covers the bonus year.
Commission Calculator
Work out commission pay, which is withheld like a bonus.
Bonus Tax Calculators for Other States
State withholding on a bonus runs from 0% in the nine states without a wage income tax to more than 10%. Pick a state to see its 2026 rule.
Official References
- IRS Publication 15 (2026), Employer's Tax Guide
Section 7: 22% flat rate on supplemental wages, 37% above $1 million
- Utah State Tax Commission, Publication 14 Withholding Tax Guide (effective June 1, 2026)
Utah rule for withholding on supplemental wages
- IRS IR-2025-111: 2026 401(k) limit
$24,500 employee deferral limit for 2026
Estimates only. Federal aggregate withholding and the tax you may owe are approximated with the 2026 brackets and standard deduction; Utah amounts use the state rates in our paycheck calculator. Local taxes, credits, other income and employer-specific payroll setups are not included. Consult a tax professional for advice on your situation.
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