Income Taxes in Wyoming
Wyoming has no state personal or corporate income tax -- it has simply never levied one, and a 1974 constitutional amendment makes enacting one exceptionally hard rather than flatly illegal, a real, more nuanced mechanism than the popular shorthand.
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Learn moreHow Wyoming actually blocks a future income tax
Wyoming's Constitution, Article 15, Section 18, adopted by voter referendum on November 5, 1974, does not outright ban an income tax. Instead it requires that any income tax the legislature ever passed must allow taxpayers a full, dollar-for-dollar credit against all the sales, use, and ad valorem (property) taxes they already paid Wyoming that year -- a real, disclosed mechanism that would make an income tax largely self-defeating to impose in practice, on top of the ordinary two-thirds-legislative-supermajority-plus-voter-referendum bar Wyoming applies to constitutional amendments generally. The practical effect is the same as a near-total prohibition, even though the legal mechanism is more specific than a flat ban.
What this means for wages, retirement income, and investments
Every category of personal income -- wages, salaries, Social Security benefits, pension payments, and withdrawals from 401(k)s and IRAs -- is free from Wyoming state tax, since there is no state income tax base to apply against any of it. Federal income tax still applies as normal, including the standard IRS formula on Social Security (up to 85% federally taxable depending on combined income), but Wyoming adds nothing on top.
No estate or inheritance tax either
Wyoming levies no state estate tax and no state inheritance tax, on top of its no-income-tax status -- a combination this record credits directly as making Wyoming a genuinely favorable state for wealth transfer and trust planning, alongside its well-known asset-protection-trust and LLC statutes (a specialized legal topic outside this record's scope, worth confirming with an estate attorney for anyone specifically relocating for that reason).
How Wyoming funds government instead
Without an income tax, Wyoming leans on mineral severance taxes (coal, oil, natural gas, trona), a 4% state sales tax base (average combined ~5.36% with local option taxes), and property taxes for state and local revenue -- see the sales-tax and property-taxes topics, and the jobs-economy topic for the real, disclosed exposure this creates to commodity-price swings.
Key takeaways
- Wyoming has no state income tax, and a 1974 constitutional amendment (Article 15, Sec. 18) makes enacting one exceptionally hard by requiring a full credit against other Wyoming taxes paid.
- Wages, Social Security, pensions, and retirement-account withdrawals are all free of Wyoming state tax -- federal tax still applies as normal.
- Wyoming also has no state estate or inheritance tax, a real advantage for wealth-transfer planning.
- Wyoming funds government instead through mineral severance taxes, a low sales tax, and low property taxes -- a real, disclosed dependency on commodity-price cycles.
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