Utah vs Wyoming Income Tax — 2026
A single filer earning $100,000 pays $4,450 less per year in Wyoming than in Utah — $371 a month. Utah charges $4,450; Wyoming charges $0.
Why this pair has a page: bordering states.
Utah at $100K
$4,450
4.45%
Wyoming at $100K
$0
0.00%
Annual difference
$4,450
$371 a month
National ranks
38 vs 9
of 50, lowest tax first
The bill at every income
Single filer, standard deduction, no dependents. State income tax only.
| Gross income | Utah tax | Wyoming tax | Difference |
|---|---|---|---|
| $50,000 | $1,666 | $0 | $1,666 less in WY |
| $75,000 | $3,103 | $0 | $3,103 less in WY |
| $100,000 | $4,450 | $0 | $4,450 less in WY |
| $150,000 | $6,675 | $0 | $6,675 less in WY |
| $250,000 | $11,125 | $0 | $11,125 less in WY |
| $500,000 | $22,250 | $0 | $22,250 less in WY |
| $1,000,000 | $44,500 | $0 | $44,500 less in WY |
How the two systems differ
| Utah | Wyoming | |
|---|---|---|
| Tax structure | Flat rate | No income tax |
| Top marginal rate | 4.45% | None |
| Number of brackets | 1 | — |
| Standard deduction (single) | None | — |
| Personal exemption | $966 credit | — |
| Local income taxes | No | No |
| Capital gains | ordinary | none |
| Population (2024) | 3,503,613 | 587,618 |
By filing status
| Filing status | Utah | Wyoming | Difference |
|---|---|---|---|
| Single | $4,450 | $0 | $4,450 less in WY |
| Married filing jointly | $3,332 | $0 | $3,332 less in WY |
| Married filing separately | $4,450 | $0 | $4,450 less in WY |
| Head of household | $3,936 | $0 | $3,936 less in WY |
Change the assumptions
Adjust income and filing status, or swap either state. The URL updates so you can share the exact comparison.
At $100,000 as a single filer, Wyoming costs $4,450 less per year than Utah — $371 a month.
| Utah | Wyoming | Difference | |
|---|---|---|---|
| State income tax | $4,450 | $0 | $4,450 |
| Per month | $371 | $0 | $371 |
| Effective rate | 4.45% | 0.00% | 4.45 pts |
| Marginal rate | 4.45% | None | 4.45 pts |
| Standard deduction | $0 | — | $0 |
| Taxable income | $100,000 | — | $100,000 |
| Tax structure | Flat rate | No income tax | |
| Local income taxes | No | No |
Full detail: Utah · Wyoming · methodology
What this comparison leaves out
Sources for both states
- 1.Utah State LegislatureState statuteS.B. 60, Income Tax Rate Amendments (2026 General Session, enrolled)Retrieved · Amends Utah Code 59-10-104: tax equals state taxable income multiplied by "4.45%" (replacing "4.5%"). Effective May 6, 2026, with retrospective operation for taxable years beginning on or after January 1, 2026.
- 2.Wyoming State LegislatureState statuteWyoming Statutes Title 39 - Taxation and RevenueRetrieved · Chapter 7 (Income Taxes): "39-7-101. Repealed By Laws 1998, ch. 5, s 4." Chapter 12 (Income Tax), 39-12-101 Preemption by state: "The state of Wyoming does hereby preempt for itself the field of imposing and levying income taxes, earning taxes, or any other form of tax based on wages or other income and no county, city, town or other political subdivision shall have the right to impose, levy or collect such taxes."
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