Taxes in Evanston

Evanston's tax picture combines Wyoming's genuinely rare no-income-tax, constitutionally absolute status with the lowest property and sales tax rates among this project's four Wyoming Tier A markets.

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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 Evanston as statewide, on wages, salaries, investment income, retirement income, and Social Security benefits alike.

The lowest property tax rate in this dataset's Wyoming markets

Ownwell cited Evanston's own median effective property tax rate at approximately 0.64% -- below even the Wyoming statewide median (0.65%) and the lowest rate among Rock Springs, Sheridan, Green River, and Evanston.

The lowest combined sales tax rate in this dataset's Wyoming markets

Evanston levies a real, current combined 5.00% sales tax (4% state + 1% Uinta County local-option) -- genuinely lower than the 6.00% combined rate this dataset found in Rock Springs, Sheridan, and Green River.

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.