2026 State Take-Home Comparison
Idaho vs Montana Take-Home Pay (2026)
Moving from Idaho to Montana: paycheck difference after taxes
On a $75,000 salary, moving from Idaho to Montana means earning $286 more per year after taxes — about $11 more per biweekly paycheck. Federal income tax and FICA stay the same; the difference comes from state tax.
What changes: State income tax. What stays the same: Federal income tax and FICA (Social Security + Medicare) are the same in every state for the same salary and filing status. Estimates based on $75,000 salary, single, biweekly. Use the calculator below for your numbers.
Idaho vs Montana — Take-Home Pay Overview
Idaho uses a flat state income tax, while Montana uses a progressive state income tax with multiple brackets.
For workers comparing the two states, that means Montana generally leaves more paycheck income after withholding than Idaho under the same salary assumptions.
| Salary | Idaho Take-Home | Montana Take-Home |
|---|---|---|
| $50,000 | $40,509 | $40,743 |
| $75,000 | $58,421 | $58,707 |
| $100,000 | $74,682 | $74,864 |
On a $100,000 salary, you take home $182 more per year in Montana than in Idaho.
$100,000 Salary: Idaho vs Montana
| Tax / Component | Idaho | Montana | Difference |
|---|---|---|---|
| Federal Income Tax | $13,170 | $13,170 | same |
| State Income Tax | $4,498 | $4,316 | +$182 |
| Social Security | $6,200 | $6,200 | same |
| Medicare | $1,450 | $1,450 | same |
| Take-Home Pay | $74,682 | $74,864 | -$182 |
$100,000 — Rent affordability: Idaho vs Montana
| Metric | Idaho | Montana |
|---|---|---|
| Net take-home / year | $74,682 | $74,864 |
| Net take-home / month | $6,224 | $6,239 |
| Median 1BR rent (HUD) | $850 | $850 |
| Rent as % of take-home | 13.7% ✓ | 13.6% ✓ |
Rent: HUD Fair Market Rents FY2025 · Spending: BLS Consumer Expenditure Survey 2023
$75,000 Salary: Idaho vs Montana
| Tax / Component | Idaho | Montana | Difference |
|---|---|---|---|
| Federal Income Tax | $7,670 | $7,670 | same |
| State Income Tax | $3,172 | $2,886 | +$286 |
| Social Security | $4,650 | $4,650 | same |
| Medicare | $1,088 | $1,088 | same |
| Take-Home Pay | $58,421 | $58,707 | -$286 |
Take-Home Pay Comparison: Idaho vs Montana
For a single filer at $100,000, Montana puts $182 more per year in your pocket than Idaho — $15 per month.
| Annual Salary | Idaho | Montana | Annual Difference |
|---|---|---|---|
| $50,000 | $40,509 | $40,743 | $-234 (Idaho) |
| $75,000 | $58,420.5 | $58,706.5 | $-286 (Idaho) |
| $100,000 | $74,682 | $74,864 | $-182 (Idaho) |
| $125,000 | $90,879.5 | $90,983.5 | $-104 (Idaho) |
| $150,000 | $106,641 | $106,667 | $-26 (Idaho) |
After subtracting median 1-bedroom rent, Montana residents keep $60,464 per year vs $60,282 in Idaho. See full cost-adjusted ranking →
Calculate your exact Idaho vs Montana take-home →Calculation assumptions
- Standard withholding per IRS Publication 15-T (2026)
- Social Security wage base: $184,500 (SSA 2026)
- No pre-tax deductions, no post-tax deductions
- Filing status: Single, one job
- Standard W-4 withholding (no additional withholding elections)
- Actual paycheck may differ based on employer setup, benefits, or W-4 elections
Idaho vs Montana tax questions
Which state has lower taxes, Idaho or Montana?
Both Idaho and Montana have state income taxes. On the default $75,000 single-filer estimate, Montana has $286 less state income tax than the other state.
How much more do I take home in Idaho vs Montana on a $75,000 salary?
For the $75,000 engine-backed comparison on this page, Montana leaves $286 more annual take-home pay, or about $24 per month.
Does moving from Idaho to Montana save money on taxes?
Moving between states changes state income tax withholding but not federal taxes or FICA. In the default $75,000 comparison, the annual take-home gap is $286 ($24 per month), before cost-of-living differences.
Is Idaho or Montana better for take-home pay?
For the default $75,000 single-filer calculation, Montana has the higher take-home pay by $286 per year. Cost of living can still change which state is better for your household budget.
Calculate your take-home pay in each state:
Calculate your exact take-home pay
- Use the Idaho paycheck calculator →
- Use the Montana paycheck calculator →
- Compare custom salaries interactively →
- Compare full job offers with cost-of-living adjustment