Personal Finance
in Montana
Everything Montana residents need to know — state taxes, best savings rates, housing market, retirement rules, and money-saving strategies specific to MT.
💰 Montana State Income Tax — What You Actually Pay
Montana has a two-bracket income tax system: 4.7% on lower income and a top rate of 5.65% for 2026 (reduced from 5.9% in 2025). A further reduction to 5.4% is scheduled for 2027. Montana has no state sales tax — one of only five states — which provides significant everyday savings.
🏦 Best Savings Accounts for Montana Residents
HYSA interest is taxed as ordinary income at both federal and Montana state rates. Your effective after-tax HYSA yield in Montana is approximately ~3.12% on a 4.50% APY account.
| Account Type | Best APY | After Tax (MT) | Best For |
|---|---|---|---|
| High-Yield Savings (HYSA) | 4.50% | ~3.12% | Emergency fund, short-term savings |
| 6-Month CD | 4.80% | ~3.32% | Money not needed for 6 months |
| I Bonds | Variable | State tax exempt | Inflation hedge; 1-year lockup |
| Roth IRA | ~7% long-term | 100% tax-free | Retirement savings |
🏠 Montana Housing Market & Homebuying
Montana's housing market has seen significant growth driven by transplants from higher-cost states. Billings median home prices range from $320,000–$380,000, while Bozeman and Missoula have surged to $500,000–$650,000+. More affordable options exist in Great Falls, Helena, and Butte ($250,000–$340,000).
Down payment assistance: Montana Board of Housing offers the Bond Loan and MBOH Plus programs with below-market rates and down payment/closing cost assistance for first-time buyers. Income limits apply.
🏖️ Retirement in Montana — Tax Treatment
Montana taxes Social Security benefits following the federal formula — benefits are partially taxable for higher-income retirees. Pension and retirement income is taxed at Montana's progressive rates. Montana has no estate or inheritance tax. The state offers a property tax assistance program (PTAP) for seniors 62+ with household income under $48,610.