Crossing a state line into or out of Utah

Utah taxes its residents on income earned anywhere, and taxes non-residents on work done inside it. Which return you file depends on which direction you commute.

Utah borders 5 states. They fall into 2 different situations, and which one applies decides whether you file one return or two.

Where you file a nonresident return and claim a credit

Utah has no agreement with Arizona, Colorado and Idaho. Work in one of these and you file a nonresident return there, report the same income again to Utah, and claim a credit for what you already paid. The credit is capped at your Utah liability, so you are not taxed twice, the combined bill lands at roughly the higher of the two rates. On $70,000, Idaho costs the most at $3,710 and Arizona the least at $3,150, $560 between them.

Work state	Its tax	Utah after credit	Total	Rate that governs
Arizona	$1,750	$1,400	$3,150	Utah
Colorado	$2,800	$350	$3,150	Utah
Idaho	$3,710	$0	$3,710	Idaho

Where the work state takes nothing

Nevada and Wyoming levy no personal income tax, so there is no return to file there and no credit to claim. But Utah still taxes the wages as a resident. The catch is withholding: an employer in Nevada or Wyoming has no state income tax to withhold, so nothing is taken out for Utah either. The liability is real and nothing is being set aside against it, which usually means Utah estimated payments.

What Utah itself takes across a salary range

A single filer, taking the standard deduction. This is the figure every arrangement above is measured against, the tax Utah charges a resident, whether the work happened inside the state or over a line:

Wages	Utah tax	Effective rate
$45,000	$2,025	4.50%
$70,000	$3,150	4.50%
$120,000	$5,400	4.50%

Coming the other way: living in a no-income-tax state, working in Utah

Nevada and Wyoming border Utah and levy no personal income tax of their own. A resident of Nevada or Wyoming who works in Utah has the simplest arrangement on this page and the least room to improve it: Utah taxes the wages earned inside it, $3,150 on $70,000, there is no home-state return, and so there is nothing to claim a credit against. Living across a border that charges nothing does not reduce the Utah bill by a cent.

Reciprocity cannot help either, even where Utah has agreements: reciprocity shifts the income to the home state's return, and a state with no income tax has no return to shift it to.

What Utah charges as your home state

Utah applies a single 4.5% rate to taxable income for 2026, so every extra dollar of wages is taxed at the same state rate.

Utah is one of the twelve states that still taxes Social Security benefits, which matters if you are drawing benefits alongside wages.

State income tax on wages only, 2026 rates. Not tax advice, what this does and doesn't cover.