Taxes in Green River

Green River's tax picture combines Wyoming's genuinely rare no-income-tax, constitutionally absolute status with a locally modest property and sales tax rate.

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No state income tax, at all

Wyoming's Constitution forbids a state individual income tax outright -- a real, current, unambiguous status applying in Green River as statewide, on wages, salaries, investment income, retirement income, and Social Security benefits alike.

A property tax rate below the national median

Ownwell cited Green River's own median effective property tax rate at approximately 0.70%, modestly above the Wyoming statewide median (0.65%) but substantially below the national median (1.02%).

A real, combined 6.00% sales tax

Green River levies a real, current combined 6.00% sales tax rate (4% state + 2% Sweetwater County local-option, with no additional city-specific add-on).

Key takeaways

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Last reviewed: 2026-09-02. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.