Taxes in Great Falls, Montana
Complete tax guide for Great Falls, MT. State income tax up to 5.9%, 0.91% property tax, no sales tax. Calculate your total tax burden.
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Taxes in Great Falls, MT: income, FICA, property, and sales tax
For wage-income planning, this page estimates federal income tax, Montana state income tax, and FICA. It also shows property-tax and sales-tax estimates because local household tax burden depends on address-level property assessments, sales-tax districts, exemptions, and item categories.
State Income Tax
5.9%
Montana
Property Tax
0.91%
Effective rate
Sales Tax
None
Combined rate
Tax Burden
Low
Great Falls, MT Tax Overview
No sales tax; moderate cost of living
Population
60,442
Median Income
$47,218
Cost of Living
88.5 (100 = avg)
State Income Tax
5.9%
Median Home Price
$210,000
Great Falls Tax Calculator
Pre-filled with Great Falls median: $47,218
Total Tax Burden in Great Falls
$9,884
Take-Home: $37,334 · Effective Rate: 20.93%
Federal Tax
$3,486
7.38% eff.
MT State
$2,786
5.90% eff.
FICA
$3,612
7.65% eff.
Take-Home
$37,334
79.07% kept
Tax Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $47,218.00 | $3,934.83 |
| Federal Income Tax | -$3,486.16 | -$290.51 |
| Montana State Tax | -$2,785.86 | -$232.16 |
| Social Security (6.2%) | -$2,927.52 | -$243.96 |
| Medicare (1.45%) | -$684.66 | -$57.06 |
| Take-Home Pay | $37,333.80 | $3,111.15 |
Property Tax in Great Falls
Median Home
$210,000
Annual Tax
$1,911
Monthly Tax
$159
Effective Rate
0.91%
Sales Tax in Great Falls
No Sales Tax
Montana does not impose a state or local sales tax.
Tax Burden Comparison
| Tax Type | Great Falls | Montana Avg | National Avg |
|---|---|---|---|
| Income Tax | 5.9% | 5.9% | 4.6% |
| Property Tax | 0.91% | ~0.91% | 1.1% |
| Sales Tax | None | None | 7.12% |
| Overall Burden | Low | — | Moderate |
About Taxes in Great Falls
Great Falls has a population of approximately 60,442 residents with a median household income of $47,218. The cost of living index is 88.5 (11.5% lower than the national average of 100).
Local context: No sales tax; moderate cost of living
Tax burden classification: Low. Effective combined tax rate of 24.7% includes federal, state, FICA, property, and sales taxes for a typical Great Falls household.
Official Tax Resources for Montana
For authoritative Montana tax forms, filing deadlines, and the latest legislative updates, consult these official government resources:
- Montana Department of Revenue — official state revenue agency
- Montana Individual Income Tax Forms — current tax year forms and instructions
- IRS Federal Tax Forms and Instructions — federal income tax filing
Tax Saving Tips for Great Falls Residents
- Montana's income tax rate of 5.9% is above average. Maximize pre-tax retirement contributions (401k up to $24,500, IRA up to $7,500) to reduce both federal and state taxable income.
- Property tax in Great Falls (0.91%) is below the national average of 1.1%. This makes homeownership more affordable here relative to property tax burden.
- Great Falls has no sales tax, which can save thousands annually on everyday purchases and large-ticket items like electronics, furniture, and vehicles.
- Use a Health Savings Account (HSA) if eligible. Contributions are tax-deductible ($4,400 individual, $8,750 family), growth is tax-free, and withdrawals for medical expenses are tax-free.
Find Your Local Tax Authority in Great Falls
The 0.91% property tax rate shown above is a city-profile effective estimate. Your actual Great Falls property tax bill is set by your county assessor and may include additional levies from your school district, municipal utility district (MUD), or special assessment district. Use these official lookup tools to confirm exact rates for your specific address:
Look up the county your Great Falls address belongs to and find your assessor's office:
- • NACo County Explorer — search by address
- • USA.gov — Montana local govt directory
School districts add their own millage rate to property tax:
- • NCES District Locator — federal database
- • NCES School Locator (EDGE)
Municipal Utility Districts and special assessment districts are common in fast-growing Montana suburbs:
- • Census — Census of Governments
- • Check your tax bill for line items beyond county + school district
Disagree with your assessment? You can appeal:
- • Property Tax Appeal Guide
- • Most counties allow 30-60 days post-assessment to file appeal
Why this matters: Two homes valued the same in Great Falls can pay different property tax depending on which school district + MUD they fall within. Always verify with your specific address — the address-level rate may be 10-30% higher than the city average shown here.
Other Cities in Montana
Sources & Methodology
Tax rate data on this page is compiled from official government sources and updated for the 2026 tax year. Calculations follow the IRS-published 2026 federal tax brackets, FICA rates (6.2% Social Security up to $184,500 wage base, 1.45% Medicare), and Montana state tax provisions. Property tax estimates use Great Falls's median home value of $210,000and the local effective property tax rate of 0.91%.
- • Federal tax brackets and standard deductions: IRS.gov
- • State income tax rates and brackets: Montana Department of Revenue
- • Median household income, home value, and demographics: U.S. Census Bureau ACS
- • Cost of living comparisons: U.S. Bureau of Labor Statistics CES
- • National average benchmarks: Tax Foundation state-level tax burden studies
Disclaimer: Estimates are for informational purposes only. Actual tax liability depends on filing status, deductions, credits, and individual circumstances. Consult a licensed tax professional or your state revenue agency for binding tax guidance.
Reviewed by LevyIO Tax Research Team · Published 2026-01-15 · Last updated 2026-05-27
Calculate Your Full Montana Tax Burden
See detailed state tax brackets, FICA breakdown, and compare to neighboring states.
Reviewed data sources
Reviewed May 27, 2026. Calculations use current public tax guidance and published source data.
1. Enter the tax scenario
Use the filing status, income type, state, payroll, deduction, credit, or transaction details that match the real case.
2. Review assumptions
Check the visible formula context, source notes, related calculators, and federal or state limits before relying on the estimate.
3. Verify before filing
Confirm final tax positions with IRS guidance, state revenue agencies, payroll records, brokerage forms, or a qualified tax professional.
Planning estimate, not tax advice
LevyIO calculators are educational planning tools. Actual federal, state, payroll, property, sales, and local tax results can change with filing status, credits, deductions, residency, employer withholding, address-level rates, and current forms. Verify final filing positions with IRS or state guidance, payroll records, tax software, or a qualified tax professional.
Frequently Asked Questions
What are the tax rates in Great Falls, MT?
Great Falls, Montana has a state income tax rate up to 5.9%. The property tax rate is 0.91% and the combined sales tax rate is 0% (no sales tax). No sales tax; moderate cost of living
How much is property tax in Great Falls?
The effective property tax rate in Great Falls is 0.91%. On the median home price of $210,000, this equals approximately $1,911 per year or $159 per month. This is below the national average of 1.1%.
What is the sales tax rate in Great Falls?
Great Falls has no sales tax. Montana is one of the few states that does not impose a state or local sales tax.
How does Great Falls's tax burden compare to other cities?
Great Falls has a low overall tax burden. The effective total tax rate for a median-income household is approximately 24.7%. The combination of 5.9% state income tax, 0.91% property tax, and 0% sales tax determines the total burden. Cost of living index is 88.5 (100 = national average).
Are there any local taxes in Great Falls?
Great Falls does not impose a separate local or city income tax. Residents pay the state income tax of 5.9%, federal income tax, and FICA (Social Security and Medicare). No sales tax; moderate cost of living