Montana: Sales Tax Handbook

2026 Montana Sales Tax Map by County

This interactive sales tax map map of Montana shows how local sales tax rates vary across Montana's 56 counties. Click on any county for detailed sales tax rates, or see a full list of Montana counties here.

Montana has no state sales tax, and allows local governments to collect a local option sales tax of up to N/A. There are a total of 67 local tax jurisdictions across the state, collecting an average local tax of N/A.

Combined with the state sales tax, the highest sales tax rate in Montana is N/A in the cities of Missoula, Billings, Bozeman, Helena and Kalispell (and 359 other cities).

Montana sales tax rates last updated August 2026