Idaho Income Tax for Married Filing Jointly (2026)
Filing as a Married Filing Jointly in Idaho? Heres everything you need to know about the state income tax: brackets, standard deduction, and worked examples for common income levels.
Idaho Tax Brackets (2026)
For Married Filing Jointly in Idaho, the tax brackets for 2026 are:
| Taxable Income | Tax Rate |
|---|
The standard deduction for Married Filing Jointly in Idaho is $29,200. You can take this deduction or itemize, whichever results in a lower tax bill.
$75,000 Income Example
Lets say youre a Married Filing Jointly in Idaho earning $75,000/year. After the $29,200 standard deduction, your taxable income is $45,800. Your Idaho state tax is approximately:
Your effective state tax rate is 3.5%. This is on top of federal income tax (and local taxes if applicable).
More Examples for Married Filing Jointly in Idaho
| Gross Income | Taxable Income | State Tax | Effective Rate |
|---|---|---|---|
| $50,000 | $20,800 | $1,206 | 2.4% |
| $75,000 | $45,800 | $2,656 | 3.5% |
| $100,000 | $70,800 | $4,106 | 4.1% |
| $150,000 | $120,800 | $7,006 | 4.7% |
| $200,000 | $170,800 | $9,906 | 5.0% |
Idaho-Specific Deductions and Credits
Beyond the standard deduction, Idaho offers several tax deductions and credits that can reduce your tax bill:
- Retirement income exclusion: Some states exclude retirement income for seniors
- Property tax credit: Available in some states for homeowners and renters
- Earned Income Tax Credit (EITC): Some states have their own EITC in addition to the federal one
- Child and dependent care credit: Available in many states
- Education credits: 529 plan contributions or tuition deductions may be available
Use the Idaho income tax calculator to model your specific situation, including deductions and credits.
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Filing Idaho state taxes depends on your residency status:
- Idaho residents: File Form ST-ID-1 with your state Department of Revenue. Due April 15 (same as federal).
- Part-year residents: File Form ST-ID-1-PR, reporting only income earned while a resident
- Non-residents: File Form ST-ID-1-NR if you earned income in Idaho
Frequently Asked Questions
What is the Idaho tax bracket for Married Filing Jointly?
The Idaho tax brackets for Married Filing Jointly range from 5.8% to 5.8%. The standard deduction is $29,200.
How much Idaho tax do I owe on a $75K income as a Married Filing Jointly?
On a $75,000 income as a Married Filing Jointly in Idaho, you owe approximately $2,656 in state income tax. Your effective state tax rate is 3.5%.
What is the standard deduction for Married Filing Jointly in Idaho?
The standard deduction for Married Filing Jointly in Idaho is $29,200. You can take this or itemize, whichever is higher.