Tax Brackets, Rates, and Standard Deductions in Montana

You can prepare and e-File your Montana Income Taxes here on eFile.com together with your Federal Income Tax Return. Information on how to only file a Montana State Income Return.

Find Montana income tax forms, tax brackets, and rates by tax year.

If you still need to file a return for a previous tax year, find the Montana tax forms below. You can complete and sign the forms here on eFile.com before you mail them to the MT Department of Revenue. For Federal or IRS back taxes, access the tax forms here.

Below are links to other important Montana income tax return information and related features (e.g., tax extension, amendment, etc.)

Montana Income Tax Returns

Montana Income Taxes
Prepare only an MT State Return without an IRS return. Details
Step by Step instructions on how to Prepare and Download - not eFile - State Returns on eFile.com.
File a Montana Tax Amendment
A complete overview of preparing and amending a Montana Income Tax Return.
Montana Income Tax Forms
Montana Tax Brackets, Rates explained
IRS Tax Brackets, Rates by Tax Year
Calculate and Estimate your IRS Income Tax Brackets and Rates with the eFile RATEucator.

Income Tax Brackets, Rates, Income Ranges, and Estimated Taxes Due

Here you can find how your Montana-based income is taxed at different rates within the given tax brackets. When you prepare your return on eFile.com, this is calculated based on your income.

Montana Tax Brackets for the Next Tax Year 2023

As you can see, your income in Montana is taxed at different rates within the given tax brackets. Any income over 21,600 would be taxed at the highest rate of 6.75%.

Tax Rate
Income Range
Taxes Due
1%
$0 - $3,600
1% within Bracket
2%
$3,600 - $6,300
2% within Bracket Less $36
3%
$6,300 - $9,700
3% within Bracket Less $99
4%
$9,700 - $13,000
4% within Bracket Less $196
5%
$13,000 - $16,800
5% within Bracket Less $326
6%
$16,800 - $21,600
6% within Bracket Less $494
6.75%
$21,600 +
6.75% within Bracket Less $656

Montana Tax Brackets for Tax Year 2022

As you can see, your income in Montana is taxed at different rates within the given tax brackets. Any income over $19,800 would be taxed at the highest rate of 6.75%.

Tax Rate
Income Range
Taxes Due
1%
$0 - $3,300
1% within Bracket
2%
$3,300 - $5,800
2% within Bracket Less $33
3%
$5,800 - $8,900
3% within Bracket Less $91
4%
$8,900 - $12,000
4% within Bracket Less $180
5%
$12,000 - $15,400
5% within Bracket Less $300
6%
$15,400 - $19,800
6% within Bracket Less $454
6.75%
$19,800 +
6.75% within Bracket Less $603

Montana Tax Brackets for Tax Year 2021

Previous MT Income Brackets.

Tax Rate
Income Range
Taxes Due
1%
$0 - $3,100
1% within Bracket
2%
$3,100 - $5,500
2% within Bracket Less $31
3%
$5,500 - $8,400
3% within Bracket Less $86
4%
$8,400 - $11,400
4% within Bracket Less $170
5%
$11,400 - $14,600
5% within Bracket Less $284
6%
$14,600 - $18,800
6% within Bracket Less $430
6.90%
$18,800 +
6.90% within Bracket Less $599

Montana Standard and Itemized Deductions

The Montana standard deductions did increase for 2023 tax year, depending on income. You can also itemize your Montana deductions.

When you prepare and eFile your Tax Return the eFile Tax App will apply the correct standard deductions for you or you can apply the itemized deduction method.

Tax Year
Status
Amount
2023
Single/MFS
$2,460/$5,540
Married Jointly/HOH
$4,920/$11,080
2022
Single/MFS
$2,260/$5,090
Married Jointly/HOH
$4,520/$10,180
2021
Single/MFS
$2,140/$4,830
Married Jointly/HOH
$4,280/$9,660

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