Idaho income tax calculator
Estimate your Idaho take-home pay after federal tax, FICA, and Idaho income tax. Idaho has a flat 5.3% state income tax. Set your salary and filing status to see the breakdown.
Your salary
Annual salary
$Filing status
Take-home pay
$74,733Federal
$13,170FICA
$7,650Idaho
$4,447Idaho state income tax rates for 2026
- Idaho taxes every dollar of taxable income at a single 5.3% rate, after the modeled deduction, before credits. Your effective rate on gross income may be lower.
- The model uses a Idaho standard deduction of $16,100 for a single filer and $32,200 filing jointly.
- Idaho consolidated its graduated brackets into a single flat rate in 2023.
Frequently asked questions
Idaho applies a flat 5.3% state income tax to taxable income, regardless of how much you earn.
It uses 2026 federal figures and 2026 Idaho brackets: federal income tax with the standard deduction, FICA (Social Security up to the wage base plus Medicare) and Idaho income tax after the deductions modeled on this page. It assumes one wage earner, even on a joint return. It leaves out local or city taxes, itemized deductions, credits, other withholdings and some state adjustments, so your actual tax depends on your full return.
No. It is an estimate for planning, not tax advice or a paycheck guarantee. It uses 2026 federal figures and 2026 Idaho brackets. Your real tax depends on deductions, credits, other income, and local taxes. Confirm with a tax professional before making decisions.
Yes. Nino’s AI software brings your accounts together so you can explore tax questions alongside your wider finances. Add a human CPA and CFP team for a financial plan, tax planning and filing, and help taking the next steps. Software starts at $20/month; services start at $3,600/year including Ultra software. Your service quote depends on the work involved.