Montana sales tax rates
| State rate | 0.00% | No state sales tax |
|---|---|---|
| Average local rate | 0.00% | No local sales taxes |
| Average combined rate | 0.00% | Lowest possible |
Rates as of July 1, 2026, from the Tax Foundation. The local average is weighted by population, so your city or county can be higher or lower. Check the Montana revenue department for the exact rate at an address.
Montana compared with neighboring states
Next to states that do charge sales tax, the difference adds up on bigger purchases. Here is the tax a $100.00 purchase carries in each neighboring state at its average combined rate.
| State | State rate | Combined | Tax on $100 |
|---|---|---|---|
| Wyoming | 4.00% | 5.39% | $5.39 |
| Idaho | 6.00% | 6.03% | $6.03 |
| South Dakota | 4.20% | 6.11% | $6.11 |
| North Dakota | 5.00% | 7.09% | $7.09 |
| Montana | 0.00% | 0.00% | $0.00 |
Selling abroad or buying from Europe? Other countries charge value added tax instead, which the VAT calculator handles. For a restaurant bill, the tip and split calculator works out the tip and each share.
Frequently asked questions
Does Montana have a sales tax?
Montana has no general sales tax. A few resort towns charge a local resort tax.
How does Montana compare with its neighbors?
Average combined rates in the neighboring states: Wyoming 5.39%, Idaho 6.03%, South Dakota 6.11%, North Dakota 7.09%. Montana averages 0%.