Idaho Tax Brackets 2026: Income Tax Rates and Thresholds
Idaho has a flat 5.3% rate for tax year 2026. Brackets for single and married filers, deductions and examples.
Top rate
5.3%
Structure
Flat
Standard deduction
$16,100 single
Tax on $75,000 salary
$2,867
Idaho income tax brackets 2026: single filers
| Taxable income | Rate | Tax owed on the bracket below |
|---|---|---|
| $0 to $4,811 | 0% | – |
| Over $4,811 | 5.3% | $0 + 5.3% over $4,811 |
Idaho income tax brackets 2026: married filing jointly
| Taxable income | Rate | Tax owed on the bracket below |
|---|---|---|
| $0 to $9,622 | 0% | – |
| Over $9,622 | 5.3% | $0 + 5.3% over $9,622 |
Idaho standard deduction and exemptions (2026)
| Single | Married filing jointly | |
|---|---|---|
| Standard deduction | $16,100 | $32,200 |
| Personal exemption | None | None |
| Personal credit | None | None |
Idaho uses the federal standard deduction.
How much Idaho income tax you'll pay
| Salary | Single: taxable | Single: state tax | Married: state tax | Single: effective rate |
|---|---|---|---|---|
| $25,000 | $8,900 | $217 | $0 | 0.87% |
| $50,000 | $33,900 | $1,542 | $433 | 3.08% |
| $75,000 | $58,900 | $2,867 | $1,758 | 3.82% |
| $100,000 | $83,900 | $4,192 | $3,083 | 4.19% |
| $150,000 | $133,900 | $6,842 | $5,733 | 4.56% |
| $250,000 | $233,900 | $12,142 | $11,033 | 4.86% |
| $500,000 | $483,900 | $25,392 | $24,283 | 5.08% |
State income tax only, on wages, after the standard deduction, exemptions and credits. Local income taxes not included.
Example: Idaho brackets on a $75,000 salary
A single filer earning $75,000 has $58,900 of Idaho taxable income after deductions. Each slice is taxed at its own rate:
| Bracket | Income in bracket | Rate | Tax |
|---|---|---|---|
| $0 to $4,811 | $4,811 | 0% | $0 |
| Over $4,811 | $54,089 | 5.3% | $2,867 |
| Total before credits | $58,900 | 4.87% | $2,867 |
2026 federal tax brackets
Single filers
| Taxable income | Rate |
|---|---|
| $0 to $12,400 | 10% |
| $12,400 to $50,400 | 12% |
| $50,400 to $105,700 | 22% |
| $105,700 to $201,775 | 24% |
| $201,775 to $256,225 | 32% |
| $256,225 to $640,600 | 35% |
| Over $640,600 | 37% |
Married filing jointly
| Taxable income | Rate |
|---|---|
| $0 to $24,800 | 10% |
| $24,800 to $100,800 | 12% |
| $100,800 to $211,400 | 22% |
| $211,400 to $403,550 | 24% |
| $403,550 to $512,450 | 32% |
| $512,450 to $768,700 | 35% |
| Over $768,700 | 37% |
The 2026 federal standard deduction is $16,100 for single filers and $32,200 for married couples filing jointly. See what you take home after federal and state taxes with the Idaho paycheck calculator.
Frequently Asked Questions
What are the Idaho tax brackets for 2026?
Idaho taxes income at a flat 5.3% after the first $4,811 of taxable income, which is taxed at 0%. Married couples filing jointly have wider brackets.
What is the Idaho standard deduction for 2026?
$16,100 for single filers and $32,200 for married couples filing jointly. Idaho uses the federal standard deduction.
How much Idaho income tax will I pay on $75,000?
A single filer with a $75,000 salary has about $58,900 of Idaho taxable income and owes about $2,867 in state income tax for 2026, an effective state rate of 3.8%.
What is the top Idaho income tax rate?
5.3%, which applies to taxable income above $4,811 for single filers and $9,622 for married couples.
How do tax brackets work?
Each rate applies only to the income inside its bracket. Moving into a higher bracket doesn't raise the tax on the income below it, so a raise never lowers your take-home pay.
Idaho Paycheck Calculator →
Take-home pay per paycheck after federal, state and payroll taxes.
Idaho Self-Employment Tax Calculator →
Tax on LLC, sole proprietor and 1099 income, with quarterly estimated payments.
Idaho business tax guide →
Corporate tax, sales tax, LLC fees and more.
Tax brackets for other states
Sources
Estimates use 2026 federal and state rates and standard deductions, and assume no other income, itemized deductions or credits beyond those listed. Your employer's withholding may differ from your final tax bill. For informational purposes only; this is not tax advice.