Utah vs Wyoming: state income tax, 2025

For reference household P1 (single, $60,000 of wages), the state income tax is at most $2,298 more in Utah than in Wyoming.

Both figures are a hypothetical full-year resident return for tax year 2025, over the same federal return, and count state income tax only. Neither is a relocation estimate: moving mid-year means two part-year returns, which this site does not figure. “Or less” means a mechanism the engine does not yet model would lower the figure; “or more” that it would raise it.

Six households, both states

Household	Utah	Wyoming	Utah minus Wyoming
P1 Single, $60,000 of wages	$2,298or less	$0	+$2,298or less
P2 Married filing jointly, $150,000, two children	$6,083or less	$0	+$6,083or less
P3 Single, $85,000 wages + $15,000 long-term gain + $3,000 qualified dividends	$4,635or less	$0	+$4,635or less
P4 Married retirees, $40,000 Social Security + $30,000 pension + $20,000 IRA, both 65+	$710or less	$0	+$710or less
P5 Head of household, $45,000, one child	$538or less	$0	+$538or less
P6 Single, $1,200,000 of wages + $500,000 long-term gain	$76,500or less	$0	+$76,500or less

Full-year resident figures for 2025, state income tax only, with the same federal return in every column. Every figure is provisional. “Not shown” and “not figured” mean the engine will not state a number it cannot stand behind; hover for why.

Where the difference comes from

Utah

Where the return starts. Starts from federal adjusted gross income.
Rate. A flat 4.5% on taxable income.Utah Code §59-10-104; 2025 TC-40 instructions line 10: "Multiply line 9 by 4.5 percent (.045)." (checked 2026-08-05)
Personal exemption. $2,111 per dependant.Utah Code §59-10-1018(1)(g); 2025 TC-40 instructions line 11: "The Utah personal exemption is $2,111 per dependent." (checked 2026-08-05)

Wyoming

No individual income tax. Every persona owes nothing, as a computed zero.Wyoming Department of Revenue — the department administers three divisions (Excise, Mineral, Property) and no individual income tax; Wyo. Stat. Ann. tit. 39 contains no chapter imposing one (checked 2026-08-05)

What this comparison leaves out

Mechanisms the engine does not model yet. Each one is named with the direction it would move the figure, which is where every “or less” above comes from.

Utah

Municipal bond interest addback (TC-40A Part 1) Utah Code §59-10-114(1) — the figure is too high without it
TC-40A Part 2 subtractions — U.S. obligations, railroad retirement, previously-taxed retirement income Utah Code §59-10-114(2) — the figure is too high without it
The other TC-40A Parts 3 and 4 nonrefundable credits — child tax credit, at-home parent, my529, military retirement, health benefit plan and the rest; and the earned income credit where no W-2 reports Utah wages in box 16 or the federal credit is undetermined Utah Code §59-10-1002.2, §59-10-1047, §59-10-1005, §59-10-1017, §59-10-1043, §59-10-1044 — the figure is too high without it
Credit for income tax paid to another state Utah Code §59-10-1003 — the figure is too high without it

Wyoming

Nothing declared.

Taxes that are not income tax. Property tax, sales and excise taxes, and state payroll levies such as disability or paid-leave contributions are not counted here, and none of them is small. Federal tax is excluded because it is the same in both columns. A state income tax comparison is not a total tax burden comparison; see methodology.

Data status

Utah. 2025 rules are provisional; engine coverage is implemented, with 4 mechanisms declared as not yet modelled. See the 2025 rate table.

Wyoming. 2025 rules are provisional; engine coverage is implemented, with nothing declared as unmodelled. See the 2025 rate table.

2026 state rules are not built yet, so this page compares 2025 only. Track status on the 2025 data status board.

Try it with your own return

The six households above are reference cases. Your own return will land differently. Compare Utah and Wyoming over your own return — it stays in your browser.