Kentucky Tax Authority
Official Kentucky state tax information, forms, and filing resources.
Source: Kentucky Department of RevenuewebpageApplies to: 2025
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Income Tax Brackets
The U.S. federal income tax uses seven progressive brackets with rates from 10% to 37%. Each bracket rate only applies to the income within that range — not to your entire income.
Kentucky Income Tax
Kentucky uses a flat income tax rate applied to all taxable income. Combined with federal tax, this determines your total income tax burden.
Last reviewed: 2027-01-15 • State: KY