Updated October 5, 2026. Quick answer: No. The state’s own About Wyoming page says “Wyoming does not possess an individual or corporate income tax.” Dividends and interest add no Wyoming income tax.
How Wyoming treats dividends and interest
| Item | What the documents say |
|---|---|
| Treatment | Not taxed by the state |
| Where it is written | State of Wyoming, About Wyoming page; the Legislature’s Tax Reform 2000 Committee report of June 1999 says the same |
| A gap in the sources | No current Department of Revenue page stating this could be retrieved, so the two sources above carry the claim |
| Municipal bond interest | No rule needed: no income tax applies to it |
A $20,000 example
Dividends and interest of $20,000 add $0 of Wyoming income tax. Federal tax on the income still applies.
What changes in 2026
The latest documents read print no 2026 change to the way dividends and interest are taxed.
Federal rules
The state’s treatment sits on top of the federal one. Qualified dividends and ordinary dividends are sorted out on the Form 1099-DIV, as the site explains in Box 1a and 1b: ordinary versus qualified dividends, and interest is reported as covered in 1099-INT Box 1. The IRS explains the federal side in Topic no. 403, Interest Received and Topic no. 404, Dividends.
Related: whether Wyoming taxes capital gains, whether Wyoming taxes pensions, how Wyoming taxes retirement income, dividends and interest tax by state, and how tax-exempt interest is reported.
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Answer againSources
- Building Wyoming’s Tax Structure for the 21st Century, Report of the Tax Reform 2000 Committee: https://wyoleg.gov/InterimCommittee/2020/03-2020052615-01TaxReform2000ExecSummary.pdf
- State of Wyoming, About Wyoming: https://www.wyo.gov/about-wyoming
Sources: the primary documents linked above, read on October 5, 2026. General information, not tax advice. Your own facts decide the outcome, and a preparer, the plan administrator or the agency itself is the right place to confirm anything consequential.