Idaho Paycheck Calculator
What you take home in Idaho after federal income tax, Social Security, Medicare and Idaho income tax (a flat 5.3% in 2026).
Take-home pay in Idaho, 2026, by salary (no 401(k))
| Salary | Single: a year | Single: every two weeks | Married: a year | Idaho tax, single |
|---|---|---|---|---|
| $40,000 | $33,308 | $1,281.09 | $36,160 | $1,012 |
| $60,000 | $48,318 | $1,858.40 | $51,607 | $2,072 |
| $75,000 | $58,726 | $2,258.68 | $62,864 | $2,867 |
| $100,000 | $74,988 | $2,884.16 | $81,627 | $4,192 |
| $150,000 | $106,949 | $4,113.43 | $117,452 | $6,842 |
| $200,000 | $139,435 | $5,362.90 | $150,938 | $9,492 |
Idaho income tax brackets, 2026
| Rate | Single filers | Married filing jointly |
|---|---|---|
| 5.30% | Over $4,811 | Over $9,622 |
How this calculator works
Federal income tax uses the 2026 brackets and standard deduction; Social Security is 6.2% up to $184,500 and Medicare 1.45% (plus 0.9% over $200,000).
Idaho income tax uses its 2026 brackets, a standard deduction of $16,100 single or $32,200 joint, as compiled by the Tax Foundation.
What it assumes
- Standard deduction, no other income or credits, and the year's tax spread evenly across paychecks.
- Idaho has no state disability or paid-leave payroll tax that this leaves out.
- No widespread local income tax.
Questions people ask
Does Idaho have a state income tax?
Yes: a flat 5.3% of taxable income in 2026.
How much is taken out of a $75,000 salary in Idaho?
For a single filer with no 401(k): $7,670 of federal income tax, $5,738 of Social Security and Medicare and $2,867 of Idaho income tax, leaving $58,726 a year, $2,258.68 every two weeks.
What is $100,000 a year after taxes in Idaho?
About $74,988 for a single filer with no 401(k), or $6,249 a month: $13,170 federal income tax, $7,650 Social Security and Medicare, $4,192 Idaho income tax. That's 25.0% of pay in taxes.
Does a 401(k) lower Idaho income tax?
Generally yes: traditional 401(k) contributions come out before federal and Idaho income tax, though not before Social Security and Medicare.
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Related calculators
Sources
- IRS: Revenue Procedure 2025-32 (2026 tax brackets)
- IRS: Tax inflation adjustments for tax year 2026
- SSA: 2026 Social Security wage base (Federal Register)
- Tax Foundation: State income tax rates and brackets, 2026
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.