To calculate Idaho sales tax, use our calculator. It takes into account the statewide sales tax rate which is 6% for ID, while other sales tax rates (countywide or some local) can be entered by yourself according to the data below.
What is Idaho sales tax?
Idaho sales tax rate is currently 6%, but it can vary from 6% to 9% due to local tax rates up to 3%. All counties of Idaho have no county-level sales tax but there might be some additional local sales taxes up to 3%
Check the table below to choose county and local sales tax rates you need.
How to calculate Idaho sales tax?
ID sales tax is statewide tax rate which is made up of a basic rate plus mandatory local rate. Idaho sales tax calculator takes into account only statewide tax rate so for more accurate result you should write down the local tax rates (depending on your county/district/city, etc.).
This table might be helpful for using ID sales tax calculator:
| County Name | Maximum Tax Rate | County-wide sales tax rate | Additional local sales taxes |
| Ada County | 6% | 0% | 0% |
| Adams County | 6% | 0% | 0% |
| Bannock County | 8% | 0% | Up to 2% |
| Bear Lake County | 6% | 0% | 0% |
| Benewah County | 6% | 0% | 0% |
| Bingham County | 6% | 0% | 0% |
| Blaine County | 9% | 0% | Up to 3% |
| Boise County | 6% | 0% | 0% |
| Bonner County | 7.7% | 0% | Up to 1.7% |
| Bonneville County | 7% | 0% | Up to 1% |
| Boundary County | 6% | 0% | 0% |
| Butte County | 6% | 0% | 0% |
| Camas County | 6% | 0% | 0% |
| Canyon County | 6% | 0% | 0% |
| Caribou County | 6% | 0% | 0% |
| Cassia County | 6.1% | 0% | Up to 0.1% |
| Clark County | 6% | 0% | 0% |
| Clearwater County | 6% | 0% | 0% |
| Custer County | 8.5% | 0% | Up to 2.5% |
| Elmore County | 6% | 0% | 0% |
| Franklin County | 6% | 0% | 0% |
| Fremont County | 6% | 0% | 0% |
| Gem County | 6% | 0% | 0% |
| Gooding County | 6% | 0% | 0% |
| Idaho County | 7% | 0% | Up to 1% |
| Jefferson County | 6% | 0% | 0% |
| Jerome County | 6% | 0% | 0% |
| Kootenai County | 6% | 0% | 0% |
| Latah County | 6% | 0% | 0% |
| Lemhi County | 6% | 0% | 0% |
| Lewis County | 6% | 0% | 0% |
| Lincoln County | 6% | 0% | 0% |
| Madison County | 6% | 0% | 0% |
| Minidoka County | 6% | 0% | 0% |
| Nez Perce County | 6% | 0% | 0% |
| Oneida County | 6% | 0% | 0% |
| Owyhee County | 6% | 0% | 0% |
| Payette County | 6% | 0% | 0% |
| Power County | 6% | 0% | 0% |
| Shoshone County | 6% | 0% | 0% |
| Teton County | 7% | 0% | Up to 1% |
| Twin Falls County | 6% | 0% | 0% |
| Valley County | 7% | 0% | Up to 1% |
| Washington County | 6% | 0% | 0% |
Please note that the calculator helps users for informational purposes only. Exact calculation results may vary by current location and may change over time as the tax rate changes.
More specific ID sales tax rate is established for a specific location. For example: sales tax in Boise (Ada County) is 6%, including all basic Idaho sales tax rates.
