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Next IRS deadline:Extended 2025 tax returns due ·

2026 tax year · updated

Montana income tax calculator

Montana has a graduated income tax with 2 rates from 4.7% to 5.65%; the top rate starts at $47,500 of taxable income for single filers. Estimate your federal and Montana income tax, and your refund, below.

$
Filing status
Other income, children, overtime and withholding

Overtime premium = the half in time-and-a-half, about a third of your time-and-a-half overtime pay. Not sure? Use the no tax on overtime calculator.

Total income tax 2026

14.1% effective

$75,000 income · Single · Montana

$10,547

Add your withholding under “Other income, children, overtime and withholding” to see your refund or amount owed.

Federal income tax
$7,670
State income tax
$2,877

Social Security and Medicare on wages are withheld separately and are not part of income tax.

How your income is taxed (federal)

  • 10% on $12,400$1,240
  • 12% on $38,000$4,560
  • 22% on $8,500$1,870

Federal taxable income after the standard deduction: $58,900.

What this estimate assumes
  • Standard deduction (no itemizing)
  • No child tax credit
  • Other income taxed at ordinary rates (no qualified dividends or capital gains)
  • No local income tax
  • Excludes the 2025 law deductions for tips, overtime, seniors and car loan interest

Estimate for information only, not tax advice. 2026 figures from IRS Rev. Proc. 2025-32 and state sources.

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Montana income tax at common incomes

Wages only, standard deduction, 2026. Federal + Montana tax; Social Security and Medicare not included.

Montana income tax by income
WagesState (single)Total (single)Total (married)
$40,000$1,123$3,743 (9.4%)$1,147
$60,000$2,063$7,083 (11.8%)$4,147
$75,000$2,877$10,547 (14.1%)$6,652
$100,000$4,289$17,459 (17.5%)$10,827
$150,000$7,114$31,848 (21.2%)$21,093
$250,000$12,764$64,518 (25.8%)$48,871

Montana brackets

4.7% over $0 · 5.65% over $47,500 (single).

How Montana taxes changed

For 2026, Montana cut its top rate from 5.9% to 5.65% and raised the single standard deduction from $15,750 to $16,100. State tax on $85,000 of 1099 profit falls from $3,478 to $3,102 (−$376).

Montana income tax on $85,000 of 1099 profit
2025: $3,478$3,47820252026: $3,102$3,1022026
Take-home pay on a $75,000 salary
2025: $58,071$58,07120252026: $58,716$58,7162026
Montana income tax by year
20252026
Top income tax rate5.9%5.65%
Standard deduction (single)$15,750$16,100
State tax on $85,000 of 1099 profit$3,478$3,102
Take-home on a $75,000 salary$58,071$58,716

Each year uses that year's federal and Montana rules, so the take-home row also reflects federal changes. Federal changes · All data updates

Sources: Montana revenue department, Tax Foundation, State Individual Income Tax Rates and Brackets, IRS Rev. Proc. 2025-32. Methodology.

Montana income tax FAQ

What is the Montana income tax rate for 2026?

Montana has a graduated income tax with 2 rates from 4.7% to 5.65%; the top rate starts at $47,500 of taxable income for single filers. The top rate is 5.65%.

How much Montana income tax do I pay on $75,000?

About $2,877 for a single filer with $75,000 of wages in 2026, on top of $7,670 of federal income tax.

Does Montana have local income taxes?

No. Montana localities do not levy a separate income tax.