Idaho has a 5.8% flat state income tax rate for most earners. See your exact take-home pay for any salary, powered by real 2026 federal and state tax data.
5.8%
Top State Rate
7.65%
FICA (SS + Medicare)
10–37%
Federal Rate
Click any salary for the full 2026 breakdown, monthly tables, and more.
$20K – $49K
$50K – $74K
$75K – $100K
$100K – $149K
Idaho state tax tops out at 5.8%. Here's what you actually keep.
| Annual Salary | Take-Home in Idaho | State Tax | Monthly | Effective Rate | Details |
|---|---|---|---|---|---|
| $30,000 | $25,392 | $893 | $2,116 | 15.4% | Full breakdown → |
| $50,000 | $40,302 | $2,053 | $3,358 | 19.4% | Full breakdown → |
| $75,000 | $58,089 | $3,503 | $4,841 | 22.5% | Full breakdown → |
| $100,000 | $74,227 | $4,953 | $6,186 | 25.8% | Full breakdown → |
| $125,000 | $90,300 | $6,403 | $7,525 | 27.8% | Full breakdown → |
| $150,000 | $105,938 | $7,853 | $8,828 | 29.4% | Full breakdown → |
| $200,000 | $138,174 | $10,753 | $11,514 | 30.9% | Full breakdown → |
$75,000 salary
$100,000 salary
$150,000 salary
Yes. Idaho has a state income tax with a top rate of 5.8%. This is applied on top of federal income tax and FICA, reducing take-home compared to no-tax states like Texas or Florida.
Idaho take-home = Gross − Federal Tax − Idaho State Tax − Social Security (6.2%) − Medicare (1.45%). Idaho state tax applies to income above the $14,600 deduction using a flat 5.8% rate.
Idaho's top rate is 5.8%. Idaho uses a flat 5.8% applied to income above the $14,600 deduction.
At $75,000 in Idaho: effective total rate = 22.5%, combining federal (10.2% eff.), state (4.7% eff.), and FICA (7.6% eff.).
At $100,000: Idaho take-home is $74,227/year vs. $79,180/year in Texas. That's $4,953/year more in Texas due to no state income tax.
Idaho's top state rate is 5.8%. Your effective (average) state rate will be lower — 5.0% effective at $100K — because only income above each threshold is taxed at the top rate.
Every salary from $20,000 to $500,000 — click any amount for the full 2026 breakdown.
Use the calculator for a precise result for any salary from $20,000 to $500,000.