Montana income tax calculator
Montana taxes income at rates from 4.7% to 5.65%. See your Montana tax next to federal and payroll tax.
Effective state rate 3.9% · top rate 5.65%. Ranks #33 of 51 for this income (1 = lowest).
Montana income tax in 2026
Montana starts from federal taxable income and has two brackets, 4.7% and a top rate cut to 5.65% for 2026.
Montana brackets (single filers)
| Rate | Taxable income over |
|---|---|
| 4.7% | $0 |
| 5.65% | $47,500 |
Joint filers’ brackets are twice as wide. Montana starts from federal taxable income.
This is a simplified model: it covers the main deduction, exemptions and brackets but not every state credit. Check the Montana Department of Revenue for your return. More in the methodology.
Questions people ask
What is the Montana income tax rate for 2026?
Montana has graduated rates from 4.7% to 5.65% in 2026. Montana starts from federal taxable income and has two brackets, 4.7% and a top rate cut to 5.65% for 2026.
How much Montana tax will I pay on $75,000?
Enter $75,000 in the calculator above for your filing status; it shows the exact bracket split, the effective state rate and how Montana ranks against every other state at that income.
Does Montana have local income taxes?
Montana does not have widespread local income taxes, so the state figure is usually the whole story.
Nearby in the list: Missouri · Nebraska · all states