Idaho State Income Tax 2026
Idaho taxes wages at a flat 5.3% in 2026. On a $75,000 salary a single filer owes about $2,866 in Idaho income tax, an effective rate of 3.82%.
| Salary | Idaho income tax per year | Effective state rate | Per month | Take-home after all taxes |
|---|---|---|---|---|
| $30,000 | $481 | 1.61% | $40 | $25,803 |
| $40,000 | $1,011 | 2.53% | $84 | $33,308 |
| $50,000 | $1,541 | 3.08% | $128 | $40,813 |
| $60,000 | $2,071 | 3.45% | $172 | $48,318 |
| $75,000 | $2,866 | 3.82% | $238 | $58,725 |
| $100,000 | $4,191 | 4.19% | $349 | $74,988 |
| $150,000 | $6,841 | 4.56% | $570 | $106,949 |
| $250,000 | $12,141 | 4.86% | $1,011 | $171,040 |
How Idaho taxes wages
Statutory estimate, not the employer wage table. The calculator uses a standard deduction of $16,100 for a single filer and $32,200 for joint filers. Idaho’s rate is 5.3%. The first $4,811 of taxable income ($9,622 joint) is in a 0% bracket, and the standard deduction is subtracted before that. There is no local wage tax. Source: Idaho State Tax Commission.
What is not in the state income tax number
The state line here is income tax only. Federal income tax follows IRS Publication 15-T, and Social Security and Medicare are the same in every state. Idaho has no employee local wage tax in this calculator.
Idaho tax on a paycheck
For take-home pay after every tax, use the Idaho paycheck calculator, or the Idaho hourly to salary calculator if you are starting from a wage. Wages at the bottom of the scale: Idaho minimum wage. Every state at once: state income tax rates.
| State | Top rate | State income tax per year | Take-home per year |
|---|---|---|---|
| Idaho income tax (this page) | 5.3% | $2,866 | $58,725 |
| Washington income tax | none | $0 | $60,552 |
| Utah income tax | 4.45% | $3,109 | $58,482 |
| Montana income tax | 5.65% | $2,876 | $58,715 |
Sources
Keep reading
Brackets used for the estimate
| Over | Rate |
|---|---|
| $4,811 | 5.3% |
| Over | Rate |
|---|---|
| $9,622 | 5.3% |
Source: Idaho State Tax Commission. Head of household uses the single brackets on this page, except where the method above says otherwise.
Nearby calculators
Questions
Does Idaho have a state income tax?
Yes. Statutory estimate, not the employer wage table. The top rate used on this page is 5.3%.
What is the Idaho income tax rate in 2026?
A flat 5.3%.
How much Idaho income tax on $50,000?
About $1,541 a year for a single filer in 2026, an effective rate of 3.08%. Federal tax, Social Security and Medicare are extra.
How much Idaho income tax on $100,000?
About $4,191 a year for a single filer in 2026, an effective rate of 4.19%.
Is this the amount an employer withholds?
It is an estimate of the tax owed using the statutory rates, not the state’s wage-bracket withholding table, so a pay stub can differ.