Sales Tax Calculator - Ada County (Idaho)
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Sales tax calculator to help you calculate tax amount and total amount. It gives you taxable amount, tax and total amount in Ada County.
Tax Calculation
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The different sales tax rates like state sales tax, county tax rate and city tax rate in Ada County are 6.00%, 0.00% and 0.00%. Check sales tax rates by cities in Ada County
What is Ada County sales tax rates in 2025?
Ada County sales tax rates in Oct 2025 are:
| State Tax Rate | 6.00% |
| County Tax Rate | 0.00% |
| City Tax Rate | 0.00% |
| Special Tax Rate | 0.00% |
| Combined Tax Rate | 6.00% |
Which city has highest sales tax rates in Ada County?
List of cities with highest sales tax rates in Ada County:
- Star - 6.00%
- Kuna - 6.00%
- Eagle - 6.00%
- Garden City - 6.00%
- Boise - 6.00%
- Meridian - 6.00%
Which city has lowest sales tax rates in Ada County?
List of cities with lowest sales tax rates in Ada County:
- Star - 6.00%
- Kuna - 6.00%
- Eagle - 6.00%
- Garden City - 6.00%
- Boise - 6.00%
- Meridian - 6.00%
Sales Tax Rates by city - Ada County (Idaho)
| CITY | COMBINED RATE | STATE RATE | COUNTY RATE | CITY RATE | SPECIAL RATE |
|---|---|---|---|---|---|
| Star | 6.00% | 6.00% | 0.00% | 0.00% | 0.00% |
| Kuna | 6.00% | 6.00% | 0.00% | 0.00% | 0.00% |
| Eagle | 6.00% | 6.00% | 0.00% | 0.00% | 0.00% |
| Garden City | 6.00% | 6.00% | 0.00% | 0.00% | 0.00% |
| Boise | 6.00% | 6.00% | 0.00% | 0.00% | 0.00% |
| Meridian | 6.00% | 6.00% | 0.00% | 0.00% | 0.00% |