Montana Payroll Hours Calculator 2026

Yes. Montana applies a flat 5.9% state income tax. On a $85,000 salary that works out to $5,015 in state tax for 2026, on top of $10,072 federal income tax and $6,503 FICA.

A single filer earning $85,000 in Montana takes home approximately $63,411 per year — about $5,284/month or $2,439 per biweekly paycheck. Total taxes: $21,590 (25.4% effective rate), split between federal income tax ($10,072), FICA ($6,503), and Montana state tax ($5,015).

On a $120,000 salary in Montana, a single filer keeps approximately $85,957 per year ($7,163/month). The overall effective tax rate is 28.37%, of which $7,080 is Montana state income tax.

Approximately $3,835 for 2026 (single filer). Combined with $5,672 federal income tax and $4,973 FICA, total deductions reach $14,480 and take-home pay is $50,521.

Between 22.28% and 28.37% for salaries in the $65,000–$120,000 range (single filer, 2026 rates). The biggest pieces are federal income tax and 7.65% FICA; Montana state tax adds roughly 5.9% at $85,000. Use the payroll hours calculator above for your exact numbers.