Idaho Income Tax Brackets 2026
Idaho uses a flat income tax system with 1 bracket.
State Tax
5.3%
Top marginal rate
COL Index
97
Below national avg
Median Income
$81,166
Household
Brackets
1
Flat tax
Idaho Tax Brackets (single filer schedule)
Our dataset holds one bracket schedule per state, shown here for a single filer. We do not have separate married-filing-jointly state brackets, so joint filers should check the state revenue department.
| Income Range | Marginal Rate |
|---|---|
| $0 — and above | 5.30% |
Idaho State Tax at Different Income Levels
| Gross Income | State Tax | Effective Rate |
|---|---|---|
| $50,000 | $2,650 | 5.30% |
| $75,000 | $3,975 | 5.30% |
| $100,000 | $5,300 | 5.30% |
| $150,000 | $7,950 | 5.30% |
| $200,000 | $10,600 | 5.30% |
| $300,000 | $15,900 | 5.30% |
Take-Home Pay in Idaho at Common Salaries
Single filer, 2026 standard deduction, wages only. Computed with the same federal, state, and FICA functions as our tax calculator.
| Gross | Federal | Idaho | FICA | Take-home / yr | Per month |
|---|---|---|---|---|---|
| $50,000 | $3,820 | $2,650 | $3,825 | $39,705 | $3,309 |
| $75,000 | $7,670 | $3,975 | $5,738 | $57,617 | $4,801 |
| $100,000 | $13,170 | $5,300 | $7,650 | $73,880 | $6,157 |
| $150,000 | $24,734 | $7,950 | $11,475 | $105,841 | $8,820 |
2026 Federal Brackets (apply in Idaho too)
Federal brackets apply to taxable income after the standard deduction ($16,100 single, $32,200 married filing jointly).
Single
| $0 — $12,400 | 10% |
| $12,400 — $50,400 | 12% |
| $50,400 — $105,700 | 22% |
| $105,700 — $201,775 | 24% |
| $201,775 — $256,225 | 32% |
| $256,225 — $640,600 | 35% |
| $640,600 — and above | 37% |
Married filing jointly
| $0 — $24,800 | 10% |
| $24,800 — $100,800 | 12% |
| $100,800 — $211,400 | 22% |
| $211,400 — $403,550 | 24% |
| $403,550 — $512,450 | 32% |
| $512,450 — $768,700 | 35% |
| $768,700 — and above | 37% |
Calculate Your Exact Idaho Taxes
See your full federal + state + FICA breakdown with our interactive calculator.
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Frequently Asked Questions about Idaho Taxes
Does Idaho have state income tax?
Idaho has a progressive income tax system with rates ranging from 5.3% to 5.3% for 2026.
How much is federal tax in Idaho?
Federal income tax in Idaho is the same as in all other US states. For 2026, the federal brackets range from 10% to 37%, depending on your taxable income and filing status.
What is the cost of living in Idaho?
The cost of living in Idaho has an index of 97, where 100 is the national average. This means Idaho is 3% cheaper than the average US state.