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Idaho Paycheck Calculator

Last updated: May 31, 2026

Written by Blake Boege

An Idaho paycheck calculator computes net earnings by subtracting federal income tax, FICA payroll taxes, and Idaho state income tax from gross pay. It incorporates Idaho's state tax rates and brackets, which are calculated based on the employee's filing status and withholding selections. The calculator helps workers in Idaho estimate their disposable income, adjust their state and federal tax withholding documents, and verify the accuracy of their employer-issued payroll checks.

Enter gross pay, pay frequency, filing status, and deductions. The calculator estimates your Idaho take-home pay using federal brackets, FICA, and state tax rules.

Quick Answer

Calculate your net take-home pay in Idaho after federal, state, and FICA tax deductions are removed from your gross wages.

$

What appears as gross on one Idaho pay stub before taxes or deductions. · e.g. 2,000

Pay frequency
Filing status
$

Per paycheck. 401(k), HSA, traditional health premiums. · e.g. 0

$

Per paycheck. Roth 401(k), union dues, garnishments. · e.g. 0

%

Idaho has a flat income tax rate of 5.692%. · e.g. 5.692

About Idaho income tax

Idaho uses a flat individual income tax system, currently set at 5.692%. Your paycheck withholding will generally reflect this flat rate applied to your taxable income after exemptions.

Estimated Idaho paycheck

Estimated net pay (biweekly)

$1,571.56

Gross $2,000.00 · annual net $40,860.66

Annual gross$52,000.00
Pre-tax deductions (per paycheck)$0.00
Federal income tax (per paycheck)$161.60
Social Security (per paycheck)$124.00
Medicare (per paycheck)$29.00
Idaho state tax (5.692%)$113.84
Post-tax deductions (per paycheck)$0.00
Net pay (per paycheck)$1,571.56
Effective federal rate8.08%
Total federal + FICA + state rate21.42%

Estimate only. Real Idaho paychecks depend on exact W-4 and state withholding settings, personal exemptions, credits, benefits, and local fees. Not payroll or tax advice.

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Examples

$2,000 biweekly · single · 5.692% state

Annual gross $52,000

$5,000 monthly · married jointly · 5.692% state

Annual gross $60,000

$100,000 salary · biweekly · single · 5.692% state

Net estimate provided below

How it works

The calculator annualizes gross pay, subtracts pre-tax deductions and the federal standard deduction, applies 2025/2026 federal brackets and FICA, and then calculates state taxes based on the tax structure of Idaho.

Idaho tax · (annual_gross − pre_tax) × state_rate

Net pay · gross − pre_tax − federal − FICA − state − post_tax

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Frequently asked questions

Start with your gross pay. Subtract any pre-tax deductions like 401(k) contributions or health insurance. Next, deduct federal income tax, Social Security, and Medicare. Finally, subtract Idaho state income tax (if applicable) and any post-tax deductions to get your net take-home pay.

Idaho uses a flat individual income tax system, currently set at 5.692%. Your paycheck withholding will generally reflect this flat rate applied to your taxable income after exemptions.

This calculator provides a strong planning estimate using 2025/2026 federal brackets and an editable effective state rate. Real paychecks use the exact IRS percentage method against your W-4, state-specific withholding forms, specific pay period dates, and employer benefit plan details. It is not a substitute for official payroll software.

While federal and state taxes are standard, some states have city, county, or school district taxes. If you live in an area with local taxes (like NYC, Philadelphia, or many Ohio and Pennsylvania municipalities), you can increase the state tax rate input in the calculator to account for your local tax burden.