Montana Income Tax Calculator
Determine your exact state income tax bracket and liability in Montana. Model your deductions and exemptions.
Why calculating tax in Montana is different
Montana has no sales tax.
State Income Tax
4.7% - 5.9%
Base Sales Tax
None
State Min Wage
$10.30 / hr
Abbreviation
MT
Montana Tax Interactive Tool
This calculator uses the latest 2026 data for Montana, including the minimum wage of $10.30 and the specific state income tax rates (4.7% - 5.9%).
Frequently Asked Questions about Montana Tax
What are the income tax brackets in Montana?
Montana features an income tax rate structure of 4.7% - 5.9%. Depending on your taxable income, you will fall into specific brackets that dictate your marginal tax rate.
Does Montana tax retirement income?
The taxation of retirement income varies. You must check current Montana Department of Revenue guidelines to see if Social Security or pension income is exempted from the 4.7% - 5.9% state tax.