Taxes in Thermopolis

Thermopolis's tax picture combines Wyoming's genuinely rare no-income-tax structure with Hot Springs County's own property tax rate, well below the national median.

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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 Thermopolis as statewide.

Hot Springs County's own property tax rate

Ownwell cited Hot Springs County's own median effective property tax rate at approximately 0.69% -- modestly above Wyoming's statewide 0.53% anchor but still well below the 1.02% national median.

A real, low combined sales tax

Wyoming's combined state-plus-local sales tax runs a real, current 4.00%-6.00% depending on local option adoption -- this pass's research did not locate a Hot-Springs-County-specific combined figure distinct from that statewide range.

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.