Income Tax in Kentucky
Kentucky (KY) has a flat income tax rate of 4.0% for tax year 2025. The standard deduction is $3,160 for single filers and $3,160 for married filing jointly.
2025 Tax Brackets
| Tax Rate | Taxable Income Range |
|---|---|
| 4.0% | $0+ |
Standard Deduction
| Filing Status | Deduction |
|---|---|
| Single | $3,160 |
| Married Filing Jointly | $3,160 |