$30,000 After Taxes in Montana (2026)

A single filer paid $30,000 in Montana has $13,900 of federal taxable income after the $16,100 standard deduction. The top slice of that income falls in the 12% federal bracket, which starts at $12,400 of taxable income, and federal income tax comes to $1,420, or 4.73% of the salary.

Payroll tax is federal and the same in Montana as everywhere else: on $30,000 of wages it is $2,295, made up of $1,860 of Social Security at 6.2% of every dollar and $435 of Medicare at 1.45%.

Montana taxable income is $13,900, and its top slice reaches the 4.7% Montana rate, below the state's 5.65% top rate. State income tax is $653, 2.18% of the salary. Montana restructured its individual income tax effective tax year 2024: seven brackets became two, and the state stopped computing its own deductions.

Altogether $4,368 of a $30,000 Montana salary goes to tax, an effective total rate of 14.56%, which leaves $25,632 a year: $2,136 a month, $986 every two weeks, $493 a week, or $12 an hour over 2,080 hours.

At $30,000, Montana ranks 31st of 51 jurisdictions for take-home pay, highest first. A no-tax state leaves $653 more a year, and the median state $92 more than Montana. The lowest take-home at $30,000 is $24,621, in Oregon, $1,011 less than in Montana.

Across the state line the same $30,000 leaves a single filer: Idaho $25,548, $83 less; Wyoming $26,285, $653 more; South Dakota $26,285, $653 more; North Dakota $26,285, $653 more.

These Montana figures treat the whole $30,000 as wages, take the standard deduction, claim no dependents and include no federal credits. A pre-tax 401(k) contribution or health premium would lower taxable income and raise take-home; a second income or itemized deductions would change it again.