How much income tax do you pay in Montana?
At $75,000 of single-filer wages, Montana’s estimated income tax of $2,877 ranks 16 of 51 (1 = highest) among the 50 states and DC.
| Salary (single) | Federal income tax | Montana income tax | Social Security & Medicare | Take-home pay |
|---|---|---|---|---|
| $50,000 | $3,820 | $1,593 | $3,825 | $40,762 |
| $75,000 | $7,670 | $2,877 | $5,738 | $58,716 |
| $100,000 | $13,170 | $4,289 | $7,650 | $74,891 |
| $150,000 | $24,734 | $7,114 | $11,475 | $106,677 |
Single filer, standard deduction, no pre-tax deductions or credits.
What are the Montana income tax brackets for 2026?
| Rate | Taxable income (single) |
|---|---|
| 4.7% | Up to $47,500 |
| 5.65% | Over $47,500 |
2026 single filer. Married couples may have wider brackets in Montana.
How is the federal part calculated?
Federal income tax uses the same 2026 brackets in every state: 10% up to $12,400 of taxable income for single filers, rising to 37% above $640,600, after a $16,100 standard deduction. See the full table on the federal income tax calculator.
Compare other states
See your paycheck in Montana after taxes, or pick another state on the income tax calculator.
Frequently asked questions
What is the Montana income tax rate for 2026?
Montana has a graduated income tax with 2 rates from 4.7% to 5.65% for 2026 (2026 single filer).
How much is $100,000 after taxes in Montana?
A single filer earning $100,000 in Montana takes home about $74,891 a year ($2,880 every two weeks) after $13,170 federal income tax, $4,289 state income tax and $7,650 in payroll taxes, using the standard deduction and no pre-tax deductions.
Does this include local or city income tax?
No. Some cities and counties add their own income tax (for example New York City, Philadelphia, Detroit, Maryland counties and many Ohio and Pennsylvania localities). Add those separately if they apply to you.
Why does my Montana return show a different number?
This estimate applies Montana’s 2026 rates to your federal taxable income. Montana may use its own standard deduction, exemptions, credits and joint-filer brackets, so your actual return can differ by a few hundred dollars.
Sources
Estimates only — not tax advice. CalciTools is not a CPA or law firm. These figures are educational estimates based on published IRS and state rates and a simplified model (they don't cover every deduction, credit, or situation). Verify with the IRS, your state tax agency, or a tax professional before making payments. Sources: IRS Rev. Proc. inflation adjustments & state Departments of Revenue.