2026 federal, state and local taxes
Idaho Income Tax Calculator (2026)
Estimate your 2026 Idaho income tax. On $75,000, a single filer pays about $2,867 in state tax, plus federal tax and FICA.
2026 Tax and Take-Home Pay
EstimateTax and Pay Breakdown
| Item | Annual | Monthly (÷12) | Bi-Weekly (÷26) |
|---|---|---|---|
| Gross Income | $100,000 | $8,333 | $3,846 |
| Pre-Tax Deductions (401k + Health/HSA) | -$8,400 | -$700 | -$323 |
| Federal Income Tax (after Credits) | -$11,322 | -$944 | -$435 |
| Social Security Tax (6.2%) | -$6,051 | -$504 | -$233 |
| Medicare Tax (1.45% + 0.9% Additional) | -$1,415 | -$118 | -$54 |
| State Income Tax (Idaho) | -$3,747 | -$312 | -$144 |
| Take-Home Pay | $69,065 | $5,755 | $2,656 |
2026 Federal Tax by Bracket
| Bracket Rate | Bracket Range | Your Income in Bracket | Tax in Bracket |
|---|---|---|---|
| 10% | $0 – $12,400 | $12,400 | $1,240 |
| 12% | $12,400 – $50,400 | $38,000 | $4,560 |
| 22% | $50,400 – $105,700 | $25,100 | $5,522 |
| 24% | $105,700 – $201,775 | $0 | $0 |
| 32% | $201,775 – $256,225 | $0 | $0 |
| 35% | $256,225 – $640,600 | $0 | $0 |
| 37% | $640,600 – and up | $0 | $0 |
Idaho Take-Home Pay by Salary, 2026 (Single Filer)
No Pre-Tax Deductions| Gross Annual Salary | Federal Tax | FICA Tax | Idaho State Tax | Total Tax | Effective Rate | Net Take-Home Pay |
|---|---|---|---|---|---|---|
| $50,000 | $3,820 | $3,825 | $1,542 | $9,187 | 18.4% | $40,813 |
| $75,000 | $7,670 | $5,738 | $2,867 | $16,274 | 21.7% | $58,726 |
| $100,000 | $13,170 | $7,650 | $4,192 | $25,012 | 25.0% | $74,988 |
| $125,000 | $18,734 | $9,563 | $5,517 | $33,813 | 27.1% | $91,187 |
| $150,000 | $24,734 | $11,475 | $6,842 | $43,051 | 28.7% | $106,949 |
| $200,000 | $36,734 | $14,339 | $9,492 | $60,565 | 30.3% | $139,435 |
| $300,000 | $68,134 | $16,689 | $14,792 | $99,615 | 33.2% | $200,385 |
Idaho Income Tax Brackets, 2026
Flat Rate| Rate | Single (taxable income) | Married Filing Jointly |
|---|---|---|
| 0.00% | $0 – $4,811 | $0 – $9,622 |
| 5.30% | $4,811 and up | $9,622 and up |
Rates apply to taxable income, after Idaho's deductions and exemptions. Each rate covers only the income inside its range.
Idaho and Its Neighbors
2026 Income Tax| State | Income Tax | Top Rate | Tax on $75,000 (Single) | Tax on $150,000 (Joint) |
|---|---|---|---|---|
| Oregon | Graduated | 9.90% | $5,733 | $11,466 |
| Utah | Flat | 4.50% | $3,147 | $6,294 |
| Montana | Graduated | 5.65% | $2,877 | $5,753 |
| Idaho | Flat | 5.30% | $2,867 | $5,733 |
| Nevada | None | — | $0 | $0 |
| Washington | None | — | $0 | $0 |
| Wyoming | None | — | $0 | $0 |
Single filer, wages only, no pre-tax deductions, 2026 rules. County taxes are included where every resident pays one (Maryland).
State Income Tax Calculators
50 States + D.C.Pick a state to see its 2026 tax rules and results for common salaries or home values.
- Alabama Progressive
- Alaska No Income Tax
- Arizona 2.50% Flat
- Arkansas Progressive
- California Progressive
- Colorado 4.40% Flat
- Connecticut Progressive
- Delaware Progressive
- District of Columbia Progressive
- Florida No Income Tax
- Georgia 4.99% Flat
- Hawaii Progressive
- Idaho 5.30% Flat
- Illinois 4.95% Flat
- Indiana 2.95% Flat
- Iowa 3.80% Flat
- Kansas Progressive
- Kentucky 3.50% Flat
- Louisiana 3.00% Flat
- Maine Progressive
- Maryland Progressive
- Massachusetts Progressive
- Michigan 4.25% Flat
- Minnesota Progressive
- Mississippi 4.00% Flat
- Missouri Progressive
- Montana Progressive
- Nebraska Progressive
- Nevada No Income Tax
- New Hampshire No Income Tax
- New Jersey Progressive
- New Mexico Progressive
- New York Progressive
- North Carolina 3.99% Flat
- North Dakota Progressive
- Ohio 2.75% Flat
- Oklahoma Progressive
- Oregon Progressive
- Pennsylvania 3.07% Flat
- Rhode Island Progressive
- South Carolina Progressive
- South Dakota No Income Tax
- Tennessee No Income Tax
- Texas No Income Tax
- Utah 4.50% Flat
- Vermont Progressive
- Virginia Progressive
- Washington No Income Tax
- West Virginia Progressive
- Wisconsin Progressive
- Wyoming No Income Tax
How This Calculator Works
Idaho has a flat 5.30% income tax on taxable income above $4,811 ($9,622 for joint filers). Before the rates apply, Idaho gives a standard deduction of $16,100 ($32,200 for married couples filing jointly).
A single filer earning $75,000 in wages pays about $2,867 in Idaho tax, 3.8% of pay. That is 21st of 51, near the middle, and $271 more than the typical state ($2,596). A married couple earning $150,000 pays about $5,733.
Frequently Asked Questions
How much is $100,000 a year after taxes in Idaho?
In Idaho, about $74,988, or $6,249 a month, for a single filer with no pre-tax deductions. That is after $13,170 of federal income tax, $7,650 of Social Security and Medicare and $4,192 of Idaho tax.
What is the top income tax rate in Idaho?
Idaho uses one rate, 5.30%, for every taxable dollar above $4,811, so your top rate and your starting rate are the same.
Does Idaho tax Social Security and retirement income?
Idaho does not tax Social Security, but pensions and 401(k) or IRA withdrawals are taxed like other income.
Do neighboring states tax income less than Idaho?
On a $75,000 salary, Nevada, Washington and Wyoming take less than Idaho, while Montana, Oregon and Utah take more. The table on this page has the amounts.
More for Idaho
All Tax Calculators →Other Idaho tax tools
- Idaho Paycheck Calculator $2,259 per paycheck on $75,000
- Idaho Property Tax Calculator 0.53% average rate
Neighboring states
- Montana Income Tax Calculator $2,877 state tax on $75,000
- Nevada Income Tax Calculator No income tax on wages
- Oregon Income Tax Calculator $5,733 state tax on $75,000
- Utah Income Tax Calculator $3,147 state tax on $75,000
- Washington Income Tax Calculator No income tax on wages
- Wyoming Income Tax Calculator No income tax on wages