Montana Payroll Tax Calculator 2026
Calculate your exact Montana take-home pay. State income tax: 4.7%–5.9%. Includes federal taxes and FICA.
| Deduction | Per Paycheck | Annual |
|---|---|---|
| Gross Pay | — | — |
| Federal Income Tax | — | — |
| Montana State Tax | — | — |
| Social Security (6.2%) | — | — |
| Medicare (1.45%) | — | — |
| Total Deductions | — | — |
| Net Take-Home | — | — |
Montana Payroll Tax Calculator 2026
Montana simplified its income tax to a flat 4.7% rate effective 2024, down from a multi-bracket system with a top rate of 6.9%. Montana does not have a state sales tax, which distinguishes it from most states. The standard deduction is $5,540 for single filers (2026).
All Payroll Deductions in Montana (2026)
- Federal income tax: 10%–37% (2026 IRS brackets; single filer pays 22% bracket above ~$50,000 taxable income)
- Montana state income tax: 4.7% flat rate
- Social Security: 6.2% on wages up to $176,100 (2026 wage base)
- Medicare: 1.45% on all wages (no cap); additional 0.9% on wages over $200,000
- Payroll Taxes Guide
- Overtime Rules
- Tax Withholding Guide
Notable Montana Tax Features
Montana's combination of a flat income tax and no sales tax is relatively unusual. The state does impose a lodging tax and vehicle fees, but everyday consumer purchases are not subject to sales tax — a significant benefit for residents.
Montana vs Neighboring States
For a $65,000 earner in Montana, state income tax is approximately $2,800–$2,950/year. Without a sales tax, Montana residents avoid approximately $1,500–$2,500/year in additional taxes that residents of neighboring states pay.
About This Calculator
This Montana payroll tax calculator uses 2026 federal and state rates from IRS Publication 15-T and the Montana Department of Revenue. Results are estimates based on the annualized withholding method. Actual withholding may differ based on W-4 elections, local income taxes, itemized deductions, tax credits, and pre-tax benefits. Always verify with your payroll provider or a tax professional for official payroll purposes.