Montana sales tax rates by county
Montana has no state sales tax. None of its 56 counties charges a local sales tax county-wide. Pick a county for its breakdown and neighbors.
"Up to" is the highest combined rate found in a city or special district of the county; "—" means the county-wide rate applies throughout.
Rates as of Jan 2026. Source: EvvyTools US Sales Tax Rates by ZIP Code (2026). General rate on tangible goods; not tax advice. Verify with your state Department of Revenue before filing or pricing.