Taxes in Casper
Casper and Wyoming's real, current 2026 tax picture runs favorably across every category this record researched: no state income tax at all, a genuinely below-national property tax rate, and a modest combined sales tax rate -- a real, meaningfully different picture than several of this project's other Tier A+ markets.
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Learn moreNo State Income Tax at All -- A Complete, Constitutional Advantage
Wyoming levies NO state individual income tax whatsoever -- a real, current, complete constitutional prohibition under Article 15 of the Wyoming Constitution, applying to wages, retirement income, and investment income alike. Wyoming ranked #1 overall on the Tax Foundation's 2026 State Tax Competitiveness Index.
A Modest Combined Sales Tax of 5.0%
Wyoming's state sales tax rate is 4.0%. Natrona County adds a real, current 1.0% county tax, for a combined rate of 5.0% as of July 1, 2026 -- following the expiration of a temporary 1-point Specific Purpose (SPEC) tax that had run since April 2025, which had briefly pushed Casper's combined rate to 6.0%.
Property Tax Also Runs Favorably
As detailed on the property-taxes topic page, Natrona County's own cited median effective property tax rate (~0.68%) runs meaningfully BELOW this project's ~1.02% national comparison figure -- a real, genuine advantage layered on top of the complete absence of state income tax, unlike several of this project's other Tier A+ markets where a low income tax comes paired with an above-average property tax.
Key takeaways
- Wyoming levies no state income tax at all -- a complete constitutional prohibition, and Wyoming ranked #1 on the Tax Foundation's 2026 State Tax Competitiveness Index.
- Casper's combined sales tax rate runs a modest 5.0% (4.0% state + 1.0% county) as of July 1, 2026.
- Property tax also runs favorably: Natrona County's cited median effective rate (~0.68%) runs meaningfully below the national comparison figure.
- Real, disclosed intra-county property tax variance exists -- confirm a specific property's rate directly with Natrona County.
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