Idaho Tax Calculator
Accurately calculate your Idaho state taxes for 2026. Understand your full tax burden including federal, state, and local taxes.
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
Does Idaho have a state income tax?
Yes, Idaho imposes a state income tax. The current rate is 5.8%. Be sure to factor this into your overall tax planning.
What is the base sales tax in Idaho?
The base state sales tax in Idaho is 6%. Local municipalities may add additional local sales taxes on top of this rate.
How can I lower my taxes in Idaho?
You can lower your Idaho tax liability by maximizing contributions to tax-advantaged accounts like 401(k)s and IRAs, and by taking advantage of Idaho-specific tax credits and deductions.