Taxes in Oshkosh
Oshkosh's tax picture combines Winnebago County's real, exceptionally elevated property tax rate with Wisconsin's real, genuine 4-bracket state income tax.
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Learn moreAn exceptionally elevated property tax rate
Winnebago County's own property tax rate ranks a real, disclosed 3rd-highest of Wisconsin's 72 counties by one source, running approximately 14.5% higher than the Wisconsin statewide average. Oshkosh's own specific rate carried a real, disclosed spread (1.85%-1.95% depending on source).
Wisconsin's real 4-bracket income tax
Wisconsin's real, genuine 4-bracket state income tax runs 3.50% to 7.65% (on income over $315,310 for single filers, 2026), applying statewide including in Oshkosh, with NO local or county piggyback income tax layer.
Weigh the tax rate against housing affordability
Oshkosh's genuinely elevated property tax rate offsets some of its own real housing-affordability advantage -- this record discloses both sides of that ledger honestly rather than only the flattering one.
Key takeaways
- Winnebago County's property tax rate ranks a real, disclosed 3rd-highest of Wisconsin's 72 counties.
- Wisconsin's flat-bracket 4-tier state income tax (3.50%-7.65%) applies statewide, including in Oshkosh.
- Oshkosh's elevated tax rate is a real, disclosed offset against its own housing-affordability advantage.
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