Sales tax United States · Rates as of 1 July 2026
Idaho Sales Tax Rate (2026)
Idaho sales tax is 6% statewide; with city and county taxes the average combined rate is 6.03%. Use the calculator to add or remove tax from any price.
Idaho sales tax calculator
Your exact rate depends on the city and county of the sale; enter it above if you know it.
How Idaho sales tax works
Idaho charges 6% statewide; only a few resort cities add a small local tax.
To calculate it, multiply the price by the rate: tax = price × 6.03 ÷ 100. A $40 purchase at the average combined rate carries $2.41 tax, for $42.41 in total. To strip tax out of a receipt total, divide by 1.0603.
Idaho sales tax on common amounts
| Price | Tax at 6% (state) | Tax at 6.03% | Total at 6.03% |
|---|---|---|---|
| $10.00 | $0.60 | $0.60 | $10.60 |
| $25.00 | $1.50 | $1.51 | $26.51 |
| $50.00 | $3.00 | $3.02 | $53.02 |
| $100.00 | $6.00 | $6.03 | $106.03 |
| $250.00 | $15.00 | $15.08 | $265.08 |
| $500.00 | $30.00 | $30.15 | $530.15 |
| $1,000.00 | $60.00 | $60.30 | $1,060.30 |
Idaho vs neighbouring states
| State | State rate | Avg. combined | Tax on $100 |
|---|---|---|---|
| Idaho | 6% | 6.03% | $6.03 |
| Washington | 6.5% | 9.57% | $9.57 |
| Oregon | 0% | 0% | $0.00 |
| Nevada | 6.85% | 8.24% | $8.24 |
| Utah | 6.1% | 7.42% | $7.42 |
| Wyoming | 4% | 5.39% | $5.39 |
| Montana | 0% | 0% | $0.00 |
States with a similar sales tax to Idaho
Comparing places to shop, work or move? These states have the closest average combined rate to Idaho's 6.03%.
- District of Columbia sales tax (6%)
- Kentucky sales tax (6%)
- Maryland sales tax (6%)
- Michigan sales tax (6%)
Frequently asked questions
What is the sales tax rate in Idaho?
The Idaho state sales tax rate is 6%. Local taxes add an average of 0.03%, for an average combined rate of 6.03%.
How much is the sales tax on $100 in Idaho?
At the state rate, $6.00 (total $106.00). At the average combined rate, $6.03 (total $106.03).
How do I calculate Idaho sales tax?
Multiply the price by the rate as a decimal. Example: $50 × 6.03% = $3.02. To remove tax from a total, divide by (1 + rate): $100 ÷ 1.0603 = $94.31 before tax.
Is Idaho sales tax high?
Idaho ranks #37 of 50 states for average combined sales tax (1 = highest). The population-weighted US average combined rate is about 7.5%.
Sources
- Tax Foundation, State and Local Sales Tax Rates, Midyear 2026 (rates as of 1 July 2026; local rates are population-weighted averages).
- State departments of revenue for statewide rates and exemptions.
Rates change. Always confirm the exact rate for a specific address with the relevant tax authority before filing or invoicing.