Taxes in St. Joseph
St. Joseph's tax picture carries a real, disclosed nuance: an effective property-tax rate above Missouri's statewide average, layered onto genuinely low home values that keep the actual dollar bill modest.
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Learn moreAn elevated effective rate on a low base
Buchanan County's median effective property tax rate ran 1.36% per Ownwell -- above Missouri's own 0.88%-0.97% statewide range -- though the low home values keep the actual dollar tax bill genuinely modest: a real $985 median annual bill vs. the $2,400 national median.
Missouri's flat 4.0% state income tax
Missouri's real, flat 4.0% state income tax (effective January 1, 2026, down from a graduated top rate of 4.7%) applies statewide, including in St. Joseph.
ZIP-level rate consistency
St. Joseph's own 64504 and 64506 ZIP codes ran 1.37% and 1.36% respectively per Ownwell -- closely matching the Buchanan County-wide median rather than diverging sharply by neighborhood.
Key takeaways
- Buchanan County's effective property-tax rate (1.36%) runs above Missouri's statewide average despite low home values.
- Missouri's flat 4.0% state income tax applies statewide, including in St. Joseph.
- The county median annual tax bill ($985) runs well below the national median ($2,400) given St. Joseph's low home values.
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