Individual Income Tax Liability

Each year the personal exemption, standard deduction, and rate schedule are indexed for inflation. For tax year 2007, taxpayers, spouses and each dependent are allowed a $2,040 exemption.

The standard deduction is 20% of Montana Adjusted Gross Income, with the following:

Standard Deduction Maximum

Single $3,810

Married Filing Jointly or
Head of Household

$7,620

Standard Deduction Minimum

Single $1,690

Married Filing Jointly or
Head of Household

$3,380

Federal Income Tax  Itemized Deduction Limitation

Single

$5,000

Married filing separately on the same form

$5,000

Married filing separately on separate forms

$5,000

Married filing separately and spouse not filing

$5,000

Head of Household

$5,000

Married Filing Jointly

$10,000

Nonresidents are taxed just as residents with a final proration of their calculated tax liability. The proration compares income attributable to Montana to total income with the resulting percentage multiplied times the computed tax liability.

Tax Liability Table for 2007

2007 Tax Brackets

If your taxable income is:   

At least

But less than

Then your tax is

Less:

$ 0

2,500

1% of taxable income

 

2,500

4,400

2% of taxable income

minus $25 

4,400

6,600

3% of taxable income 

minus $69

6,600

9,000

4% of taxable income 

minus $135

9,000

11,600

5% of taxable income 

minus $225

11,600

14,900

6% of taxable income

minus $341

14,900 or more

 

6.9% of taxable income

minus $475

The Department of Revenue collects these taxes. For more information, please call the Customer Service Center at (406) 444-6900.

If you would like tax liability information for a previous year, please refer to a prior year Individual Income Tax Instruction Booklets under the section titled Forms and Resources .