Kentucky Income Tax 2025
Per IRS inflation adjustments, Kentucky (KY) has a flat income tax rate of 4.0% for 2025.
2025 Tax Brackets — Single Filer
| Tax Rate | Taxable Income Range |
|---|---|
| 4.0% | $0+ |
Standard Deduction
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Frequently Asked Questions
Kentucky (KY) has a flat income tax rate of 4.0% for tax year 2025.
The Kentucky standard deduction for 2025 is $3,160 for single filers and $3,160 for married filing jointly.
Kentucky is one of 41 states that levy a state income tax. 9 states have no state income tax at all. Use our calculators to compare your tax burden across states.
State tax treatment of retirement income varies. Check Kentucky's specific rules for Social Security, pensions, and 401(k) withdrawals. Consult a tax professional for personalized guidance.
Tax brackets and rates for 2025. Not tax advice — consult a qualified tax professional for your specific situation.