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Montana: Taxes, Laws and Population

The facts that distinguish Montana from other states, each with its source and the date it applies to.

Facts

Top personal income tax rate (tax year 2026)
5.65% top rate
Source: Tax Foundation compilation of state law, rates as of January 1, 2026, as of February 2026 (unverified)
State sales tax rate
None
Source: Tax Foundation, State and Local Sales Tax Rates, Midyear 2026 (July 6, 2026), as of July 2026 (unverified)
Right-to-work law
No
Source: National Conference of State Legislatures, as of December 2023
Permitless (constitutional) carry
Yes since 2021
Source: Wikipedia list of permitless carry states (compiler; not a state statute page), as of October 2025 (unverified)
Voter ID at the polls
Photo ID requested Non-strict photo; two IDs, one with a photo.
Source: National Conference of State Legislatures, Voter ID Laws, as of September 2026
Private school choice program
Yes Tax-credit scholarships School choice in Montana ›
Source: Program names from public sources; confirm on the state's School Choice page and EdChoice, as of November 2026 (unverified)
Governor's party
Republican
Source: National Conference of State Legislatures, State Partisan Composition, as of October 2026
Legislature
Republican (both chambers)
Source: National Conference of State Legislatures, State Partisan Composition, as of October 2026

Where a source line says "unverified", the figure comes from a compiler or news report and has not been checked against the state's own page. Party control is as of October 6, 2026, before the November 2026 elections.

Related

Sources: Tax Foundation: state income and sales tax rates, National Conference of State Legislatures: right to work, voter ID, partisan composition, State revenue departments (Georgia, South Carolina, West Virginia). Updated November 8, 2026.