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2026 Federal + MT Rules

2026 federal, state and local taxes

Montana Income Tax Calculator (2026)

Estimate your 2026 Montana income tax. On $75,000, a single filer pays about $2,877 in state tax, plus federal tax and FICA.

2026 Tax and Take-Home Pay

Estimate
Income After Tax $68,997 $5,750 / month
Total Tax $22,603 Effective Rate: 22.60%
Top Federal Bracket 22.0% State Marginal Rate: 5.65%

Tax and Pay Breakdown

Item Annual Monthly (÷12) Bi-Weekly (÷26)
Gross Income $100,000 $8,333 $3,846
Pre-Tax Deductions (401k + Health/HSA) -$8,400 -$700 -$323
Federal Income Tax (after Credits) -$11,322 -$944 -$435
Social Security Tax (6.2%) -$6,051 -$504 -$233
Medicare Tax (1.45% + 0.9% Additional) -$1,415 -$118 -$54
State Income Tax (Montana) -$3,815 -$318 -$147
Take-Home Pay $68,997 $5,750 $2,654

2026 Federal Tax by Bracket

Bracket Rate Bracket Range Your Income in Bracket Tax in Bracket
10% $0 – $12,400 $12,400 $1,240
12% $12,400 – $50,400 $38,000 $4,560
22% $50,400 – $105,700 $25,100 $5,522
24% $105,700 – $201,775 $0 $0
32% $201,775 – $256,225 $0 $0
35% $256,225 – $640,600 $0 $0
37% $640,600 – and up $0 $0

Montana Take-Home Pay by Salary, 2026 (Single Filer)

No Pre-Tax Deductions
Gross Annual Salary Federal Tax FICA Tax Montana State Tax Total Tax Effective Rate Net Take-Home Pay
$50,000 $3,820 $3,825 $1,593 $9,238 18.5% $40,762
$75,000 $7,670 $5,738 $2,877 $16,284 21.7% $58,716
$100,000 $13,170 $7,650 $4,289 $25,109 25.1% $74,891
$125,000 $18,734 $9,563 $5,702 $33,998 27.2% $91,002
$150,000 $24,734 $11,475 $7,114 $43,323 28.9% $106,677
$200,000 $36,734 $14,339 $9,939 $61,012 30.5% $138,988
$300,000 $68,134 $16,689 $15,589 $100,412 33.5% $199,588

Montana Income Tax Brackets, 2026

2 Rates
Rate Single (taxable income) Married Filing Jointly
4.70% $0 – $47,500 $0 – $95,000
5.65% $47,500 and up $95,000 and up

Rates apply to taxable income, after Montana's deductions and exemptions. Each rate covers only the income inside its range.

Montana and Its Neighbors

2026 Income Tax
State Income Tax Top Rate Tax on $75,000 (Single) Tax on $150,000 (Joint)
Montana Graduated 5.65% $2,877 $5,753
Idaho Flat 5.30% $2,867 $5,733
North Dakota Graduated 2.50% $203 $718
South Dakota None — $0 $0
Wyoming None — $0 $0

Single filer, wages only, no pre-tax deductions, 2026 rules. County taxes are included where every resident pays one (Maryland).

State Income Tax Calculators

50 States + D.C.

How This Calculator Works

Montana has a graduated income tax with 2 rates, from 4.70% up to 5.65%, which starts at $47,500 of taxable income for single filers and $95,000 for married couples filing jointly. Before the rates apply, Montana gives a standard deduction of $16,100 ($32,200 for married couples filing jointly).

A single filer earning $75,000 in wages pays about $2,877 in Montana tax, 3.8% of pay. That is 20th of 51, near the middle, and $281 more than the typical state ($2,596). A married couple earning $150,000 pays about $5,753.

Frequently Asked Questions

How much is $100,000 a year after taxes in Montana?

In Montana, about $74,891, or $6,241 a month, for a single filer with no pre-tax deductions. That is after $13,170 of federal income tax, $7,650 of Social Security and Medicare and $4,289 of Montana tax.

What is the top income tax rate in Montana?

Montana's top rate is 5.65%, on taxable income above $47,500 for single filers and $95,000 for married couples filing jointly. Only the income above that line pays the top rate.

Does Montana tax Social Security and retirement income?

Montana taxes Social Security much as the federal government does, and it lets retirees exclude up to about $5,060 of pension and retirement-account income (age and income rules apply).

Do neighboring states tax income less than Montana?

On a $75,000 salary, Idaho, North Dakota, South Dakota and Wyoming take less than Montana. The table on this page has the amounts.

More for Montana

All Tax Calculators →

Other Montana tax tools

Neighboring states