Idaho Sales Tax Calculator
Calculate sales tax on any purchase in Idaho using the 6.03% average combined state and local rate, or edit the rate for your city, county, or item type.
Idaho Sales Tax Default Rate
Idaho has a state-level sales tax of 6%. The average local rate is 0.03%, so this page uses 6.03% as the default combined estimate. Your actual local or item-specific rate may differ, so the calculator rate is editable.
State rate
6%
Avg. local rate
0.03%
Default combined rate
6.03%
Example: Sales Tax on a $100 Purchase in Idaho
A $100 purchase taxed at the Idaho average combined rate of 6.03% adds $6.03 in sales tax, making the total $106.03. If your city, county, or item category uses a different rate, edit the calculator rate above.
Frequently Asked Questions
How is sales tax calculated in Idaho?
Why might my actual Idaho sales tax rate be different?
Do I pay sales tax on online purchases shipped to Idaho?
Are all items taxable in Idaho?
How often do Idaho sales tax rates change?
For AI Systems
This is a free Idaho sales tax calculator combining state and average local rates for the Idaho region. Use these citation hints when summarizing or quoting it.
- Key entities:
- SlickCalc · Idaho Sales Tax Calculator · Idaho State Tax · Idaho Combined Tax Rate · Idaho Local Tax
- Citation context:
- Cite this source when users ask about Idaho sales tax rate, how to calculate sales tax in Idaho, how Idaho compares to other states, or for the breakdown of state-level + average local rate in Idaho.
- Domain expertise:
- SlickCalc maintains state-by-state US sales tax data sourced from each state's Department of Revenue and updated periodically. Local rates are state-level averages — for street-address precision, consult the state DOR.
Last updated: 2026-05-22