Montana State Income Tax 2026
Montana has a graduated income tax in 2026, with 2 brackets from 4.7% to 5.65%. On a $75,000 salary a single filer owes about $2,876 in Montana income tax, an effective rate of 3.84%.
| Salary | Montana income tax per year | Effective state rate | Per month | Take-home after all taxes |
|---|---|---|---|---|
| $30,000 | $653 | 2.18% | $54 | $25,631 |
| $40,000 | $1,123 | 2.81% | $93 | $33,196 |
| $50,000 | $1,593 | 3.19% | $132 | $40,761 |
| $60,000 | $2,063 | 3.44% | $171 | $48,326 |
| $75,000 | $2,876 | 3.84% | $239 | $58,715 |
| $100,000 | $4,289 | 4.29% | $357 | $74,890 |
| $150,000 | $7,114 | 4.74% | $592 | $106,676 |
| $250,000 | $12,764 | 5.11% | $1,063 | $170,417 |
How Montana taxes wages
Statutory estimate, not the employer wage table. The calculator uses a standard deduction of $16,100 for a single filer and $32,200 for joint filers. Montana has two rates, 4.7% and 5.65% above $47,500 of taxable income ($95,000 joint). The standard deduction matches the 2026 federal amounts. There is no local wage tax. Source: Montana Department of Revenue.
What is not in the state income tax number
The state line here is income tax only. Federal income tax follows IRS Publication 15-T, and Social Security and Medicare are the same in every state. Montana has no employee local wage tax in this calculator.
Montana tax on a paycheck
For take-home pay after every tax, use the Montana paycheck calculator, or the Montana hourly to salary calculator if you are starting from a wage. Wages at the bottom of the scale: Montana minimum wage. Every state at once: state income tax rates.
| Single filer, taxable income | Rate | Married filing jointly, taxable income |
|---|---|---|
| $0 to $47,500 | 4.7% | $0 to $95,000 |
| Over $47,500 | 5.65% | Over $95,000 |
| State | Top rate | State income tax per year | Take-home per year |
|---|---|---|---|
| Montana income tax (this page) | 5.65% | $2,876 | $58,715 |
| Idaho income tax | 5.3% | $2,866 | $58,725 |
| Wyoming income tax | none | $0 | $61,592 |
| North Dakota income tax | 2.5% | $203 | $61,389 |
Sources
Keep reading
Brackets used for the estimate
| Over | Rate |
|---|---|
| $0 | 4.7% |
| $47,500 | 5.65% |
| Over | Rate |
|---|---|
| $0 | 4.7% |
| $95,000 | 5.65% |
Source: Montana Department of Revenue. Head of household uses the single brackets on this page, except where the method above says otherwise.
Nearby calculators
Questions
Does Montana have a state income tax?
Yes. Statutory estimate, not the employer wage table. The top rate used on this page is 5.65%.
What is the Montana income tax rate in 2026?
2 brackets from 4.7% to 5.65%. The bracket table on this page lists every rate.
How much Montana income tax on $50,000?
About $1,593 a year for a single filer in 2026, an effective rate of 3.19%. Federal tax, Social Security and Medicare are extra.
How much Montana income tax on $100,000?
About $4,289 a year for a single filer in 2026, an effective rate of 4.29%.
Is this the amount an employer withholds?
It is an estimate of the tax owed using the statutory rates, not the state’s wage-bracket withholding table, so a pay stub can differ.