Idaho W-4 Withholding Calculator 2026

Federal + Idaho state income tax side-by-side.

Your Paycheck

$

Filing Status

Credits & Adjustments (Optional)

$

$2,000 per child under 17

$
$
$

File your Idaho return

Total withholding per paycheck

$348

$9,046 / year

Annual gross$65,000

Federal

Taxable income$50,000
Income tax$6,146
Per paycheck$236
Effective rate9.5%
Marginal rate22.0%

Idaho State Tax

Annual state tax$2,900
Per paycheck$112
Effective rate4.5%
Marginal rate5.8%