Wyoming state income tax — ITIN filer guide

Wyoming charges no state income tax. There is no state return to file — but your federal return with an ITIN follows the usual rules, and below we cover what DOES apply in Wyoming.

NO state income tax

  • Deadline (tax year 2026):
  • State sales tax: 4%

State tax agency

  • Wyoming Department of Revenue — revenue.wyo.gov
  • Phone: (307) 777-5200
  • Free filing option: No state income tax return to file

Facts verified 2026-06-11 against official state sources (primary source). Figures refresh with every dataset review.

Filing with an ITIN

With no state income tax, your only income filing is federal (Form 1040 with your ITIN). Wyoming residency creates no state income return, but it still matters for other state-level procedures — driver’s licenses, in-state tuition, benefits.

Wyoming state EITC — do ITIN filers qualify?

The federal EITC requires valid SSNs for you, your spouse, and qualifying children — ITIN filers can never claim it. What varies is the STATE credit:

Wyoming has no state earned income tax credit (EITC). The federal EITC requires a valid SSN — ITIN filers cannot claim it in any state.

See how all 52 jurisdictions compare on the state tax hub and which tax credits ITIN filers can claim.

Last verified: 2026-06-11. Primary source: Wyoming Department of Revenue.

General procedural information for educational purposes. Not legal or tax advice. State tax rates change frequently — verify current figures with the state agency before filing. For case-specific guidance, consult a tax professional, enrolled agent, or CPA.