Montana Income Tax Calculator
Estimate your Montana income tax burden
Updated for 2024 tax year on Jul 23, 2024
What was updated?
Fixed calculation error with federal and state payroll taxes
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How to calculate your Montana income taxes
Table of Contents
Understanding your Montana income taxes
Montana’s state income tax utilizes a graduated scale, with seven brackets ranging from 1%, up to a top rate of 6.9%.
The state does not have a specific state payroll tax. This can significantly lessen the total tax burden for both employers and employees. Montana is one of the few states that does not impose a local income tax, providing a simpler tax situation for its residents.
Montana state standard deduction aligns with the federal standard deduction. The state also offers personal exemptions.
Calculate your income tax in Montana
- Work out your total federal income tax
- Gross income adjusted
Gross income − Pre-tax deductions = Gross income adjusted - Federal taxable income
Gross income adjusted − Federal standard/itemized deductions = Federal taxable income - Federal income tax liability
Federal taxable income × Federal income tax rate = Federal income tax liability - Federal payroll tax liability
Gross income × Federal payroll tax rate = Federal payroll tax liability
- Gross income adjusted
- Calculate your total Montana state income tax
- Montana state taxable income
Gross income adjusted − (Montana state standard/itemized deductions + Montana state exemptions) = Montana state taxable income - Montana state income tax liability
Montana state taxable income × Montana state income tax rate = Montana state income tax liability
- Montana state taxable income
- Add up all the taxes
Federal income tax liability + Federal payroll tax liability + Montana state income tax liability = Your total income tax liability
State income tax brackets
Refer to Tax Foundation for more details.
| Tax year | Filing status | Taxable income | Rate |
|---|---|---|---|
| 2024 | Single Married, Filing Separately |
$0 - $20,500 | 4.7% |
| $20,500+ | 5.9% | ||
| Married, Filing Jointly or Widow(er) | $0 - $41,000 | 4.7% | |
| $41,000+ | 5.9% | ||
| Head of Household | $0 - $30,750 | 4.7% | |
| $30,750+ | 5.9% | ||
| 2023 | Single Married, Filing Jointly or Widow(er) Married, Filing Separately Head of Household |
$0 - $3,600 | 1% |
| $3,600 - $6,300 | 2% | ||
| $6,300 - $9,700 | 3% | ||
| $9,700 - $13,000 | 4% | ||
| $13,000 - $16,800 | 5% | ||
| $16,800 - $21,600 | 6% | ||
| $21,600+ | 6.75% | ||
| 2022 | Single Married, Filing Jointly or Widow(er) Married, Filing Separately Head of Household |
$0 – $3,300 | 1% |
| $3,300 - $5,800 | 2% | ||
| $5,800- $8,900 | 3% | ||
| $8,900 - $12,000 | 4% | ||
| $12,000 - $15,400 | 5% | ||
| $15,400 - $19,800 | 6% | ||
| $19,800+ | 6.75% | ||
| 2021 | Single Married, Filing Jointly or Widow(er) Married, Filing Separately Head of Household |
$0 – $3,100 | 1% |
| $3,100 – $5,500 | 2% | ||
| $5,500 - $8,400 | 3% | ||
| $8,400 - $11,400 | 4% | ||
| $11,400 - $14,600 | 5% | ||
| $14,600 - $18,800 | 6% | ||
| $18,800+ | 6.9% | ||
| 2020 | Single Married, Filing Jointly or Widow(er) Married, Filing Separately Head of Household |
$0 – $3,100 | 1% |
| $3,100 – $5,500 | 2% | ||
| $5,500 - $8,400 | 3% | ||
| $8,400 - $11,300 | 4% | ||
| $11,300 - $14,500 | 5% | ||
| $14,500 - $18,700 | 6% | ||
| $18,700+ | 6.9% |
State standard deduction
| Tax year | Filing status | Standard deduction amount | Minimum standard deduction | Maximum standard deduction |
|---|---|---|---|---|
| 2024 | Single Married, Filing Jointly Married, Filing Separately Head of Household |
$0 | $0 | $0 |
| 2023 | Single Married, Filing Separately |
20% of adjusted gross income | $2,460 | $5,540 |
| Married, Filing Jointly Head of Household |
$4,920 | $11,080 | ||
| 2022 | Single Married, Filing Separately |
20% of adjusted gross income | $2,260 | $5,090 |
| Married, Filing Jointly Head of Household |
$4,520 | $10,180 | ||
| 2021 | Single Married, Filing Separately |
20% of adjusted gross income | $2,140 | $4,830 |
| Married, Filing Jointly Head of Household |
$4,280 | $9,660 | ||
| 2020 | Single Married, Filing Separately |
20% of adjusted gross income | $2,130 | $4,790 |
| Married, Filing Jointly Head of Household |
$4,260 | $9,580 |
State exemptions
There is state-level exemptions for all type of filers and dependents. Refer to Tax Foundation for more details.
| Tax year | Filing status | Personal exemption amount |
|---|---|---|
| 2024 | Single Married, Filing Jointly or Widow(er) Married, Filing Separately Head of Household |
$0 |
| Dependent(s) | $0 | |
| 2023 | Single Married, Filing Separately Head of Household |
$2,960 |
| Married, Filing Jointly or Widow(er) | $5,920 | |
| Dependent(s) | $2,960 | |
| 2022 | Single Married, Filing Separately Head of Household |
$2,580 |
| Married, Filing Jointly or Widow(er) | $5,160 | |
| Dependent(s) | $2,580 | |
| 2021 | Single Married, Filing Separately Head of Household |
$2,560 |
| Married, Filing Jointly or Widow(er) | $5,120 | |
| Dependent(s) | $2,560 | |
| 2020 | Single Married, Filing Separately Head of Household |
$2,510 |
| Married, Filing Jointly or Widow(er) | $5,020 | |
| Dependent(s) | $2,510 |
FAQs
How to calculate income tax in Montana?
Follow the steps below to calculate your total income tax in Montana:
- Work out your total federal income tax
- Calculate your total Montana state income tax
- Sum up all the taxes
How much income tax do I pay in Montana?
Montana imposes either 4.7% or 5.9% on all taxable income for the 2024 tax year.