Kentucky Income Tax Calculator
In Kentucky, the state levies a flat 3.5% state income tax. On a $75,000 income (single, 2026), Kentucky state income tax is about $2,625 — an effective state rate of 3.5%. With federal tax, total income tax is about $10,295 (13.7% effective). Enter your income below for the full breakdown.
$8,770 federal tax (2026)
Effective rate: 11.0% · Marginal rate: 22.0% · Taxable income: $63,900
Deduction: $16,100 (standard) · Take-home: $71,230
Your marginal rate (22.0%) only applies to your last dollar — your effective rate (11.0%) is what you actually pay across all brackets.
Where your tax comes from (by bracket)
How each bracket taxes your income
| Rate | Income from | to | Taxed here | Tax |
|---|---|---|---|---|
| 10.0% | $0 | $12,400 | $12,400 | $1,240 |
| 12.0% | $12,400 | $50,400 | $38,000 | $4,560 |
| 22.0% | $50,400 | $63,900 | $13,500 | $2,970 |
Same income, every filing status
| Status | Taxable | Federal tax | Effective |
|---|---|---|---|
| Single | $63,900 | $8,770 | 11.0% |
| Married filing jointly | $47,800 | $5,240 | 6.6% |
| Head of household | $55,850 | $6,348 | 7.9% |
| Married filing separately | $63,900 | $8,770 | 11.0% |
Brackets & standard deduction: IRS Rev. Proc. 2025-32 (2026, post-OBBBA). State estimates: Tax Foundation 2026. How we calculate →
Kentucky income tax in 2026
Kentucky applies a flat 3.5% state income tax. On a $75,000 income, a single filer owes roughly $2,625 in Kentucky state income tax for 2026 — an effective state rate of about 3.5%. Combined with federal tax, the total is about $10,295, or 13.7% of income.
The calculator above shows the full picture — your taxable income, the tax owed in each federal bracket, your marginal and effective rates, and the Kentucky state estimate — for any income and filing status.
Kentucky income tax by income level (2026)
Estimated Kentucky state income tax for a single filer, plus the federal + state total:
$50,000 → $1,750 state ($5,570 total) · $75,000 → $2,625 state ($10,295 total) · $100,000 → $3,500 state ($16,670 total).
These assume the 2026 standard deduction and no dependents. Add your own figures in the calculator for an exact result.
Marginal vs effective rate in Kentucky
Your marginal rate is the rate on your last dollar; your effective rate is what you actually pay across all brackets, and it's always lower. On a $75,000 income, the federal marginal bracket is 22.0%, while the effective federal rate is about 10.2%. Adding Kentucky's state tax, the combined effective rate is about 13.7%. The bracket breakdown above shows exactly how each portion of your income is taxed.
How Kentucky income tax is calculated
Kentucky uses a flat 3.5% rate on taxable income. Our state figure is an estimate using that rate; federal tax is exact and shown bracket by bracket.
Kentucky income tax — frequently asked questions
Does Kentucky have a state income tax?
Yes. Kentucky levies a flat 3.5% state income tax. The calculator above estimates your Kentucky tax alongside your exact federal tax.
How much is Kentucky income tax on $75,000?
About $2,625 in Kentucky state income tax for a single filer on $75,000 in 2026 — an effective state rate near 3.5%. With federal, the total is about $10,295.
What is Kentucky's income tax rate?
Kentucky has a flat 3.5% state income tax, so your effective state rate stays close to 3.5%.
How do I calculate Kentucky income tax?
Apply Kentucky's flat 3.5% rate to your taxable income. Enter your income and filing status above and the calculator estimates the Kentucky tax and your exact federal tax.
Income tax calculators by state
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Researched & verified by the Calcuris Data & Research Team. How we build and check our tools →