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Health Savings Account (HSA) in Montana 2026

Calculate your health savings account (hsa) tax savings in Montana. With Montana's 5.9% top state tax rate, your combined savings are higher.

Montana Tax Overview

State Income Tax
5.9%
flat
Sales Tax
None
avg combined: 0%
Property Tax Rate
0.74%
Median Income
$60,560

Flat 5.9% since 2024. No sales tax. Uses federal standard deduction. Capital gains credit for MT gains.

Montana Income Tax Brackets (Single)

5.9%
$0 +
Your bracket
$1,395
Est. Total Savings
$8,300
Max Deduction
Above-the-Line
Deduction Type
27.9%
Combined Tax Rate

Health Savings Account (HSA) Savings Calculator for Montana

$
$

Federal Savings

$1,100

22% bracket

Montana State

$295

5.9% rate

Total Savings

$1,395

27.9% combined

At a 27.9% combined tax rate in Montana, every $1,000 in deductions saves you $279 in taxes.

Savings by Tax Bracket in Montana

10%
$795
12%
$895
22%
$1,395
24%
$1,495
32%
$1,895
35%
$2,045
37%
$2,145

Includes 5.9% Montana state tax on top of federal savings.

Eligibility Requirements

Individuals enrolled in high-deductible health plans

  • 1Must have HDHP coverage
  • 2Cannot be enrolled in Medicare
  • 3Contribution limits apply

Montana residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 5.9%.

Common Mistakes to Avoid

  • !Contributing without HDHP
  • !Over-contributing
  • !Forgetting to claim the deduction on your Montana state return (missing up to 5.9% additional savings)

Montana Filing Tips

No sales tax saves on all purchases. Federal standard deduction applies. Use Montana's capital gains credit on MT-sourced gains. Compare to nearby no-income-tax states.

Required Tax Forms

Form 8889Form 1040

File these forms with your federal tax return to claim the health savings account (hsa). Montana may require additional state-specific forms.

Other Tax Deductions in Montana

Medical and Dental Expenses Deduction

Healthcare

~$10,145
est. savings

HSA Contribution Deduction

Healthcare

~$4,439
est. savings

HSA Contributions

Healthcare

~$1,141
est. savings

Long-Term Care Insurance Premiums

Healthcare

~$3,170
est. savings

Self-Employed Health Insurance

Healthcare

~$10,145
est. savings

Medical and Dental Expenses

Healthcare

~$6,341
est. savings

Archer Medical Savings Account

Healthcare

~$3,170
est. savings

Mortgage Interest Deduction

Housing

~$4,439
est. savings

Health Savings Account (HSA) in Neighboring States

North Dakota

1.95% top rate (flat)

~$4,899
+3,504 vs Montana

South Dakota

No state income tax

~$4,500
+3,105 vs Montana

Wyoming

No state income tax

~$4,500
+3,105 vs Montana

Idaho

5.8% top rate (flat)

~$5,686
+4,291 vs Montana

Tax Calculators for Montana Cities

BillingsMissoulaGreat FallsBozeman

Calculate Your Full Tax Savings in Montana

Use our free tax calculators to optimize your entire tax return for Montana.

Income Tax CalculatorMontana Income TaxFull Health Savings Account (HSA) Guide

Frequently Asked Questions

How much can I save with the Health Savings Account (HSA) in Montana?

In Montana, the health savings account (hsa) can save you an estimated $1,395 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $295 in Montana state tax savings at the 5.9% marginal rate. The national average savings is $4,500/year.

What is the Montana state income tax rate?

Montana has a flat income tax system with a top rate of 5.9%. Flat 5.9% since 2024. No sales tax. Uses federal standard deduction. Capital gains credit for MT gains.

Who qualifies for the Health Savings Account (HSA) in Montana?

Individuals enrolled in high-deductible health plans. The eligibility requirements are the same whether you live in Montana or another state, as this is a federal tax deduction. However, your total savings will vary based on Montana's 5.9% top state tax rate.

What tax forms do I need to claim the Health Savings Account (HSA) in Montana?

To claim the health savings account (hsa), you need to file Form 8889 and Form 1040 with your federal return. Montana residents should also check if the state allows this deduction on their state return for additional savings of up to 5.9%. Filing status affects your deduction limits and tax bracket.

Is the Health Savings Account (HSA) better in Montana than in states without income tax?

Yes, Montana residents benefit more because the state's 5.9% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 27.9% means more savings per dollar deducted.

What is the standard deduction in Montana for 2026?

Montana's standard deduction is $14,600 for single filers and $29,200 for married filing jointly. No sales tax saves on all purchases. Federal standard deduction applies. Use Montana's capital gains credit on MT-sourced gains. Compare to nearby no-income-tax states.

Related Calculators

Medical and Dental Expenses Deduction in Montana

Avg savings: $8,000/year

HSA Contribution Deduction in Montana

Avg savings: $3,500/year

HSA Contributions in Montana

Avg savings: $900/year

Long-Term Care Insurance Premiums in Montana

Avg savings: $2,500/year

Self-Employed Health Insurance in Montana

Avg savings: $8,000/year

Medical and Dental Expenses in Montana

Avg savings: $5,000/year