Idaho Sales Tax Rates: Ada County
Ada County, Idaho Sales Tax Rate 2025 Up to 6%
While many counties do levy a countywide sales tax, Ada County does not. The Idaho sales tax of 6% applies countywide. None of the cities or local governments within Ada County collect additional local sales taxes.
Here's how Ada County's maximum sales tax rate of 6% compares to other counties around the United States:
- Higher maximum sales tax than 80% of Idaho counties
- Lower maximum sales tax than 77% of counties nationwide
Tax Rates By City in Ada County, Idaho
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Idaho has a 6% sales tax and Ada County collects an additional N/A, so the minimum sales tax rate in Ada County is 6% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Ada County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Boise | 6% | Ada |
| Boise | 6% | Boise |
| Meridian | 6% | Ada |
| Eagle | 6% | Gem |
| Garden City | 6% | Ada |
| Kuna | 6% | Ada |
| Star | 6% | Ada |
| Meridian | 6% | Meridian |
Idaho Sales Tax Rates by Zip Code:
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Ada County, Idaho has a maximum sales tax rate of 6% and an approximate population of 307,942.
Sales tax rates in Ada County are determined by four different tax jurisdictions, Ada, Boise, Gem and Meridian.
Back to Idaho Sales Tax Handbook Sales tax rates for Ada County are current as of May 2025
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