Idaho Business Tax Calculator
Calculate corporate income tax, franchise tax, and gross receipts tax for businesses operating in Idaho.
Why calculating business 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 Business 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 Business
What is the corporate tax rate in Idaho?
Corporate tax structures vary. In addition to potential corporate income taxes, businesses in Idaho must also consider unemployment insurance taxes, sales tax collection (6%), and local business licenses.
Do LLCs pay tax in Idaho?
LLCs are typically pass-through entities, meaning profits pass through to the owners' personal tax returns and are taxed at the personal 5.8% rate. However, Idaho may also impose an annual LLC franchise fee.