Montana Income Tax Guide for 2024

Overview

Montana uses a progressive income tax system with rates ranging from 1% to 6.4%. Capital gains are taxed as ordinary income. The state offers a standard deduction of $5,690 for single filers, personal exemptions of $3,100, and dependent exemptions of $3,100.

Income Tax Rates

Single Filers

Income RangeTax Rate
Up to $3,5991%
$3,600 - $6,8992%
$6,900 - $10,7993%
$10,800 - $14,4994%
$14,500 - $18,6995%
$18,700 - $23,0995.8%
$23,100+6.4%

Married Filing Jointly

Income RangeTax Rate
Up to $3,5991%
$3,600 - $6,8992%
$6,900 - $10,7993%
$10,800 - $14,4994%
$14,500 - $18,6995%
$18,700 - $23,0995.8%
$23,100+6.4%

Capital Gains Tax

Capital gains are taxed at the same rates as ordinary income.

Deductions & Exemptions

TypeAmount
Standard Deduction (Single)$5,690
Standard Deduction (Married Filing Jointly)$11,380
Personal Exemption (Single)$3,100
Personal Exemption (Married)$6,200
Dependent Exemption$3,100

Additional Information

  • Age 65+ exemption of $5,660

Charts

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Last updated: November 12, 2025

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