Free Tool
Montana Tax Refund Calculator
Use this free calculator to estimate your Montana state tax refund for the 2025-2026 tax year. Montana uses a progressive income tax system with rates from 4.7-5.9%. Enter your income, filing status, and deductions below to see your estimated refund or balance due.
This calculator uses official Montana Department of Revenue tax tables and standard deduction amounts for the 2026 tax year. Results are estimates and should be verified with a tax professional.
Montana State Tax Calculator 2025-2026
Montana Tax System Details
Montana operates a progressive income tax system with 3 tax brackets. Tax rates range from 4.7-5.9%, applying to all taxable income earned by Montana residents. The state standard deduction for 2026 is $5,340 for single filers and $10,680 for married filing jointly.
How Montana Compares to Other States
Montana's no-sales-tax status makes it unique in its region. Wyoming has no income tax, Idaho has a flat 5.8% rate (plus 6% sales tax), and North Dakota has a top rate of 2.5% (plus sales tax). Montana's 5.9% top rate combined with no sales tax creates a balanced tax structure favorable for consumers.
A single filer earning $60,000 would pay approximately $2,730 in Montana state tax. The absence of sales tax saves the average household roughly $2,000 per year.
Deductions and Credits Available in Montana
Montana offers a property tax rebate of up to $675 for homeowners, a deduction for federal income taxes paid, and a retirement income deduction of up to $3,950 for those 65+. Social Security benefits are partially exempt. An earned income tax credit worth 3% of the federal EITC is available.
For federal tax purposes, Montana residents can deduct their state income tax payments on their federal return if they itemize deductions, subject to the $40,000 SALT cap.
Sales Tax in Montana
Montana has no state or local sales tax, making it one of the most tax-friendly states for consumers. The state imposes a lodging tax (4%) and limited resort taxes. Property taxes average about 0.74% of home value.
Montana Income Tax Overview
The standard deduction is subtracted from your gross income to determine your taxable income before the brackets are applied. Practical tip: the effective rate you actually pay is usually far lower than the top marginal rate. For typical middle-income earners, the effective state tax rate lands well below the headline rate.
The standard deduction directly reduces your taxable income before any tax brackets are applied. The state sales tax rate is None, which applies to most goods and some services depending on local laws. Property taxes in Montana average approximately 0.76% of home value. For context, the national average property tax rate is roughly 1.1%. Residents should check their city and county rates, as local add-ons can significantly increase the combined sales tax rate above the state base rate.
Compared to neighboring states — North Dakota (2.9%), South Dakota (none), Wyoming (none), Idaho (5.8%) — Montana offers a distinct balance of rates, deductions, and available credits that can significantly impact your total tax burden. For retirement income: SS partially taxable, $6K pension subtraction. Montana has no state sales tax. Montana offers various state-specific deductions and credits that can reduce tax liability. The annual filing deadline for state income tax returns is April 15, matching the federal deadline. Taxpayers who cannot file by the deadline can request an automatic six-month extension, though any tax owed must still be paid by April 15 to avoid interest and penalty charges. Self-employed individuals, recent movers, and retirees with complex income sources should consult a qualified tax professional for personalized guidance.
Frequently Asked Questions About Montana Taxes
What is the Montana state income tax rate structure?
Montana uses 1-6.75% progressive (7 brackets) system. This rate structure determines how much state tax you owe based on your taxable income after subtracting the standard deduction of $13,850 single / $27,700 married. Understanding where your income falls within this structure is the first step in estimating your state tax liability. Taxpayers should verify current year rates with the state department of revenue, as legislative changes can affect brackets and rates from year to year.
Does Montana tax Social Security and retirement income?
SS partially taxable, $6K pension subtraction. Social Security benefits are generally treated favorably across most states, and Montana follows this approach. However, federal taxation of Social Security may still apply based on your combined income level. Retirees should also consider how Montana handles pension income, 401(k) withdrawals, and IRA distributions when planning their retirement budget, as state-level treatment varies significantly across the country.
What are the sales and property tax rates in
The Montana state sales tax rate is None. Combined state and local rates can vary by city and county. Property taxes average approximately 0.76% of home value. Montana has no state sales tax. Taxpayers should consider these consumption-based and property-based taxes when evaluating their overall tax burden, as they can significantly affect the true cost of living in Montana compared to other states with different tax structures.