Montana income tax calculator
Estimate your Montana take-home pay after federal tax, FICA, and Montana income tax. Montana has a progressive state income tax. Set your salary and filing status to see the breakdown.
25.1% of your salary goes to federal income tax, FICA, and Montana state income tax.
One wage earner; excludes local taxes and unmodeled deductions and credits.
13.2% of salary
7.6% of salary
4.3% of salary
Estimate, not tax advice. Uses 2026 federal figures and 2026 Montana brackets, with the deductions modeled below. Assumes one wage earner even for a joint return. Joint brackets are approximated by doubling single thresholds; actual schedules can differ substantially. Excludes local taxes, itemized deductions, credits and some state adjustments. Your actual tax depends on your full return.
Montana state income tax rates for 2026
| Taxable income (single filer) | Montana rate |
|---|---|
| $0 to $47,500 | 4.7% |
| $47,500 and above | 5.65% |
- Montana has 2 tax brackets, running from 4.7% to 5.65%.
- The top 5.65% rate applies to single-filer taxable income above $47,500.
- Married-filing-jointly brackets are approximated by doubling single thresholds; actual joint schedules may differ.
- The model uses a Montana standard deduction of $16,100 for a single filer and $32,200 filing jointly.
- Montana's top rate is scheduled to fall again to 5.4% in 2027.