Montana Income Tax Guide for 2025
Overview
Montana uses a progressive income tax system with rates ranging from 4.7% to 5.9%. Capital gains are taxed at separate rates ranging from 3% to 4.1%. The state offers a standard deduction of $14,600 for single filers.
Income Tax Rates
Single Filers
| Income Range | Tax Rate |
|---|---|
| Up to $21,499 | 4.7% |
| $21,500+ | 5.9% |
Married Filing Jointly
| Income Range | Tax Rate |
|---|---|
| Up to $43,099 | 4.7% |
| $43,100+ | 5.9% |
Capital Gains Tax
Single Filers
| Income Range | Tax Rate |
|---|---|
| Up to $21,499 | 3% |
| $21,500+ | 4.1% |
Married Filing Jointly
| Income Range | Tax Rate |
|---|---|
| Up to $43,099 | 3% |
| $43,100+ | 4.1% |
Deductions & Exemptions
| Type | Amount |
|---|---|
| Standard Deduction (Single) | $14,600 |
| Standard Deduction (Married Filing Jointly) | $29,200 |
Additional Information
- Age 65+ exemption of $5,660
Charts
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