2026 Idaho tax brackets: single filers
Idaho has a flat 5.3% income tax. The first $4,811 of taxable income (single) is taxed at 0%.
| Rate | Taxable income | Tax owed |
|---|---|---|
| 5.3% | Over $4,811 | 5.3% of income over $4,811 |
2026 Idaho tax brackets: married filing jointly
| Rate | Taxable income | Tax owed |
|---|---|---|
| 5.3% | Over $9,622 | 5.3% of income over $9,622 |
Deductions and exemptions
| Single | Married jointly | |
|---|---|---|
| Standard deduction | $16,100 | $32,200 |
Before the brackets apply, Idaho subtracts a standard deduction of $16,100 ($32,200 married filing jointly).
What your bracket means
Take a single filer earning $75,000. After deductions, $58,900 is taxable in Idaho. The top slice falls in the 5.3% bracket, but the total Idaho tax is $2,867, or 3.8% of the salary, because the lower slices are taxed at lower rates.
2026 federal tax brackets
Federal income tax comes off first. For 2026 the standard deduction is $16,100 for single filers and $32,200 for married couples filing jointly, and the brackets run from 10% to 37%. Pre-tax 401(k) contributions (up to $24,500) lower your federal and most state income tax, but not FICA.
| Rate | Single | Married jointly |
|---|---|---|
| 10% | $0 to $12,400 | $0 to $24,800 |
| 12% | $12,400 to $50,400 | $24,800 to $100,800 |
| 22% | $50,400 to $105,700 | $100,800 to $211,400 |
| 24% | $105,700 to $201,775 | $211,400 to $403,550 |
| 32% | $201,775 to $256,225 | $403,550 to $512,450 |
| 35% | $256,225 to $640,600 | $512,450 to $768,700 |
| 37% | Over $640,600 | Over $768,700 |
Questions
What are the Idaho tax brackets for 2026?
Idaho has a flat 5.3% income tax. The first $4,811 of taxable income (single) is taxed at 0%. Married couples filing jointly get wider brackets.
What is the top income tax rate in Idaho?
5.3%, the same rate for everyone.
What tax bracket am I in if I make $75,000 in Idaho?
A single filer earning $75,000 has about $58,900 of Idaho taxable income, which lands in the 5.3% bracket. But only the dollars above that threshold pay 5.3%; the whole Idaho bill is about $2,867, an effective rate of 3.8%. Federally, the same earner is in the 22% bracket.
When do the 2026 brackets apply?
To income you earn from January 1 to December 31, 2026, which you report on the return you file in early 2027. Your employer uses them to withhold from paychecks during 2026.
Sources
Every rate here comes from the agency or table linked below. Tax law changes, so if a number looks off, follow the link and tell us.
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