How Montana Taxes Affect Your Paycheck

Montana uses a progressive income tax system, with rates 4.7% to 5.9%.

Most employees in Montana have federal income tax, Social Security, and Medicare withheld from each paycheck in addition to any applicable state withholding.

Montana does not generally impose broad local wage income taxes, which keeps paycheck withholding simpler than many local-tax jurisdictions.

Montana Income Tax Brackets (2026)

Taxable Income	Tax Rate
$0 – $20,500	4.70%
$20,500+	5.90%

Other Montana Payroll Taxes

Montana does not generally require employee SDI withholding. Employer unemployment taxes are typically not deducted from employee wages.

Federal Taxes That Apply in Montana

In addition to Montana state taxes, your Montana paycheck is subject to federal taxes:

Federal Income Tax: 10% to 37% based on your income and filing status
Social Security Tax: 6.2% on income up to $176,100 (2026)
Medicare Tax: 1.45% on all income, plus 0.9% additional Medicare tax on income over $200,000

Tax Data Sources

State tax rates and brackets sourced from:

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Montana Paycheck Calculator 2026