Montana State Income Tax Rate 2024. However, the top marginal ordinary tax. Montana, idaho, and new mexico had average internet speeds of 46.84 mbps, 51.15 mbps, and 59.13 mbps respectively.

Montana levies a state income tax with rates ranging from 1% to 6.9%. 121, enacted in march 2023, simplified the individual income tax system in montana and, effective january 1, 2024, reduced the number of tax brackets from seven to two.