Which Montana city tax calculator should I use?

Use the exact city page for the Montana city where you live or work. City pages separate federal income tax, Montana state income tax, local income tax when present, FICA, property-tax estimates, sales-tax estimates, and address-level verification limits.

Do all Montana cities have the same local income tax?

The Montana cities in this dataset do not flag a separate city income-tax layer, but residents still need federal income tax, state income tax if applicable, FICA, property tax, and sales-tax checks.

Are Montana city property and sales tax rates exact by address?

No. City pages use planning estimates. Property tax depends on parcel assessment, exemptions, school districts, special districts, and local levies. Sales tax can vary by exact address, item category, exemption, and effective date.

Montana Tax Rates by City

Compare state income tax, local income tax, property tax, sales tax, and effective household tax burden across 6 Montana cities.

Answer first

Montana city tax pages: pick the exact city, then verify the address

Start with the exact city page when the question names a city. Use the Montana state calculator for statewide income-tax brackets and this city index for local burden comparisons. Property and sales-tax estimates still need address-level verification through county, city, or state tools before filing or making a purchase decision.

Montana income tax All city tax calculators MT official tax authority

Cities

Avg effective tax rate

26.0%

Cities with local income tax

Largest MT City Tax Calculators

Billings

Effective burden 24.5% · sales 0%

Missoula

Effective burden 27.4% · sales 0%

Great Falls

Effective burden 24.7% · sales 0%

Bozeman

Effective burden 28.9% · sales 0.52%

Butte

Effective burden 24.9% · sales 1.57%

Helena

Effective burden 25.4% · sales 0%

All Montana Cities

Billings

Income 5.9% · property 0.78%

Low

Missoula

Income 5.9% · property 0.82%

Moderate

Great Falls

Income 5.9% · property 0.91%

Low

Bozeman

Income 5.9% · property 0.74%

Moderate

Butte

Income 5.9% · property 0.74%

Low

Helena

Income 5.9% · property 0.85%

Low

Sources, Review Date, and Limits

Reviewed May 26, 2026. These city pages are planning estimates that combine federal, state, local, property, sales-tax, Census, and LevyIO dataset inputs. They are not official tax bills or filing instructions.

IRS forms and instructions for federal tax context.
Montana Department of Revenue for official Montana tax guidance.
Montana tax forms and instructions.
U.S. Census Bureau ACS for household and housing context.