Idaho Income Tax Calculator
Determine your exact state income tax bracket and liability in Idaho. Model your deductions and exemptions.
Why calculating tax in Idaho is different
Idaho uses a flat income tax and moderate sales tax rates.
State Income Tax
5.8%
Base Sales Tax
6%
State Min Wage
$7.25 / hr
Abbreviation
ID
Idaho Tax Interactive Tool
This calculator uses the latest 2026 data for Idaho, including the minimum wage of $7.25 and the specific state income tax rates (5.8%).
Frequently Asked Questions about Idaho Tax
What are the income tax brackets in Idaho?
Idaho features an income tax rate structure of 5.8%. Depending on your taxable income, you will fall into specific brackets that dictate your marginal tax rate.
Does Idaho tax retirement income?
The taxation of retirement income varies. You must check current Idaho Department of Revenue guidelines to see if Social Security or pension income is exempted from the 5.8% state tax.