How much is taken out of my paycheck in Idaho?

Federal income tax, FICA at 7.65% (Social Security + Medicare), and Idaho's flat 5.3% state income tax. Idaho has no local income tax, so those three are the full picture. Enter your pay above for the exact split.

What is the Idaho income tax rate in 2026?

Idaho uses a flat 5.3% income tax (cut from 5.695% in 2025), applied to taxable income after the federal standard deduction. The flat structure makes your state tax easy to predict at any income level.

Idaho paycheck calculator after taxes, what's included?

This calculator subtracts federal income tax, Social Security, Medicare, and Idaho's 5.3% flat tax, plus any pre-tax 401(k), HSA, and health premiums you enter. The result is your true after-tax take-home pay per paycheck and per year.

What's my take-home pay in Idaho?

Take-home is your gross minus federal tax, FICA, Idaho's flat tax, and any pre-tax contributions. Because Idaho uses the federal standard deduction and a single rate, the federal portion drives most of the change as income rises.

Idaho Paycheck Calculator: Take-Home Pay

Item	Per 2 weeks	Per year
Gross pay	$2,500	$65,000
Federal income tax	$187	$4,856
Social Security	$155	$4,030
Medicare	$36	$943
ID state income tax	$95	$2,478
401(k) contribution	$125	$3,250
Net take-home	$1,902	$49,444

Item

Per 2 weeks

Per year

Gross pay

$2,500

$65,000

Federal income tax

$187

$4,856

Social Security

$155

$4,030

Medicare

$36

$943

ID state income tax

$95

$2,478

401(k) contribution

$125

$3,250

Net take-home

$1,902

$49,444

How your Idaho take-home pay is calculated

Your gross pay is what you earn before anything is withheld; your take-home (net) pay is what actually lands in your bank account. Between the two sit several deductions, applied in a specific order. This calculator walks gross pay through pre-tax deductions, federal income tax, FICA, and Idaho state tax to estimate what you keep each paycheck.

The deductions, step by step

Pre-tax deductions, traditional 401(k), HSA, and pre-tax health premiums come out first and lower your taxable income (your 401(k) still counts for Social Security and Medicare, though).
Federal income tax, applied to income after the standard deduction using the 2025 progressive brackets for your filing status.
FICA, Social Security at 6.2% (up to the annual wage base) plus Medicare at 1.45% on all wages, with an extra 0.9% on wages above $200,000.
Idaho tax, Idaho applies a flat 5.3% rate (2025, down from 5.695%) to taxable income, using the federal standard deduction. Idaho has no local income tax.

Biweekly vs. monthly, does it change your taxes?

No. Your total annual tax depends on what you earn in a year, not how often you're paid. A biweekly schedule (26 checks) simply slices the same annual take-home into smaller, more frequent amounts than a monthly schedule (12 checks). Switch the pay-frequency selector above and you'll see the per-paycheck figure change while the annual totals stay put.

Make your estimate more accurate

Set your real 401(k) percentage and HSA amount, pre-tax contributions can noticeably raise take-home-adjusted savings.
Choose the filing status that matches your W-4; married filing jointly widens the brackets.
Add your pre-tax health premium if your employer deducts it before taxes.

This is an estimate of annual tax liability, not exact per-paycheck withholding (which follows IRS Pub 15-T tables and your specific W-4). It uses 2025 federal and FICA figures and doesn't model local city taxes, post-tax deductions, or tax credits. Treat the result as a close ballpark, and check your actual pay stub for the precise numbers.