How does Montana’s tax code compare? Montana has a graduated state individual income tax, with rates ranging from 4.70 percent to 5.90 percent. Montana has a 6.75 percent corporate income tax rate. Montana does not have a sales tax. Montana has a 0.60 percent effective property tax rate on owner-occupied housing value.
Montana does not have an estate tax or inheritance tax. Montana has a 33.75 cents per gallon gas tax rate and a $1.70 cigarette excise tax rate (per pack of 20 cigarettes). The State of Montana collects $5,842 in state and local tax collections per capita. Montana has $5,463 in state and local debt per capita and a 74 percent funded ratio of public pension plans. Montana’s tax system ranks 6th overall on the 2026 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Montana is no exception. The first step toward understanding Montana’s tax code is knowing the basics. How does Montana collect tax revenue? Click the tabs below to learn more! You can also explore our state tax maps, which are compiled from our annual publication, Facts & Figures 2025: How Does Your State Compare?
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The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
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