Taxes in Newcastle

Newcastle's tax picture combines Wyoming's genuinely rare no-income-tax structure with Weston County's own property tax rate -- the highest-cited county rate among this pass's four researched Wyoming markets, yet still 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 Newcastle as statewide.

Weston County's own property tax rate

Ownwell cited Weston County's own median effective property tax rate at approximately 0.70% -- the highest among this pass's four researched Wyoming county rates, yet 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 Weston-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.