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Montana income tax brackets 2026
Montana has 2 brackets from 4.7% to 5.65%. Montana has two brackets, 4.7% and 5.65%, and uses the federal standard deduction.
| Taxable income | Rate |
|---|---|
| $0 – $47,500 | 4.7% |
| Over $47,500 | 5.65% |
| Taxable income | Rate |
|---|---|
| $0 – $95,000 | 4.7% |
| Over $95,000 | 5.65% |
Standard deduction: $16,100 single, $32,200 married.
Sources: Tax Foundation, State Individual Income Tax Rates and Brackets, 2026; IRS Rev. Proc. 2025-32; Montana revenue and labor department rates for 2026. Federal: 2026 brackets, $184,500 Social Security wage base. See paycheck calculators for every state.
Formula
Frequently asked questions
How much is Montana state income tax in 2026?
Montana has 2 brackets from 4.7% to 5.65% for 2026. Montana has two brackets, 4.7% and 5.65%, and uses the federal standard deduction.
What taxes come out of a Montana paycheck?
Federal income tax, Social Security (6.2% of wages up to $184,500 in 2026) and Medicare (1.45%, plus 0.9% on wages over $200,000), Montana income tax. Pre-tax 401(k) and health insurance deductions lower your taxable pay.
Is this Montana paycheck calculator up to date?
Yes. It uses the 2026 federal tax brackets and standard deduction, the 2026 Social Security wage base, and the latest published Montana tax rules. We last reviewed the Montana numbers on 20 Oct 2026.
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