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Moved from Wyoming to Utah Mid-Year: Which State Tax Returns Do You File?

One part-year return — the state you moved toUtah withholds

Answer

Nothing for Wyoming, a part-year return for Utah. This move takes you into the state income tax system rather than out of it — set up Utah withholding promptly, because there is no prior-year Utah liability to base estimated payments on.

Last verified

This move takes you into the state income tax system rather than out of it. Wyoming asked nothing of you; Utah does, from the date your residency there begins.

What you file

  1. 1Part-year return · UtahForm TC-40 with Schedule TC-40B

    File a Utah part-year return covering the months you lived in Utah. Wyoming has no wage income tax, so there is nothing to file for the earlier part of the year.

The two states, side by side

 WyomingUtah
Taxes wagesNoYes — flat
Reciprocity partnersNoneNone
Convenience ruleNoNo
Nonresident returnNot applicableForm TC-40 with Schedule TC-40B
Part-year returnNot applicableForm TC-40 with Schedule TC-40B
Credit for other-state taxNo income taxSchedule TC-40S
Nonresident safe harbourNot applicableNone published
Local income taxNoNo
Revenue departmentWyoming Department of RevenueUtah State Tax Commission
Last verified

The other direction

Reversing the commute does not always reverse the answer. Living in Utah and working in Wyoming gives:One part-year return — the state you left.

Utah to Wyoming →

Same two states, different situation

The withholding answer turns on how you are paid and where the work happens, not only on which two states are involved.

Other Wyoming pairs

Questions people actually ask

I moved from Wyoming to Utah mid-year. Do I have to file in both states?

Nothing for Wyoming, a part-year return for Utah. This move takes you into the state income tax system rather than out of it — set up Utah withholding promptly, because there is no prior-year Utah liability to base estimated payments on.

How do I split my income between Wyoming and Utah?

By when you received it, measured against the date your domicile actually changed. Income received while you were a Wyoming resident belongs on the Wyoming return and income received afterwards on the Utah return. Keep evidence of the move date — a lease, a closing statement, a licence issue date.

How current is this?

The Wyoming and Utah rules on this page were last checked against Wyoming Department of Revenue and Utah State Tax Commission on 2026-08-07. We re-check the full grid every December after state legislative sessions close, and re-check the convenience-of-the-employer states quarterly because that is where the rules move fastest.

Sources

Every fact above comes from the revenue department that publishes the rule. We do not cite secondary summaries, and we do not restate a figure we could not find at source.