Skip to content
calcbloc
HOURLY / 2026 / IDAHO / $21/HR

$21 an hour after tax in Idaho

$21 an hour in Idaho takes home $35,821 a year in 2026, or $1,378 biweekly.

Written by Reviewed by TODO Reviewer NameLast verified

Per year
$35,821
Per month
$2,985
Biweekly
$1,378
Per week
$689
$21 an hour in Idaho, 2026 · single filer, no pre-tax deductions · 40 hours a week
Per yearPer monthBiweeklyPer week
Gross pay$43,680$3,640$1,680$840
Federal income tax−$3,062−$255−$118−$59
Social Security−$2,708−$226−$104−$52
Medicare−$633−$53−$24−$12
State income tax−$1,456−$121−$56−$28
Take-home pay$35,821$2,985$1,378$689

Your details

  • StateIdaho

01Pay

Pay type
Pay frequency

02Form W-4

Filing status (W-4 Step 1c)

Used for W-4 Step 3.

03Pre-tax deductions

04Post-tax deductions

Roth 401(k), union dues, garnishments.

Take-home per paycheck

$1,378

every 2 weeks

Take-home per year
$35,821
Total taxes per year
$7,859
Effective tax rate
18%
Marginal tax rate
24.9%
  • Uses Idaho's revised 2026 tables (July 2026). The Idaho Child Tax Credit has ended, so Form ID W-4 allowances no longer reduce withholding.

Take-home per paycheck: $1,378 every 2 weeks

Paycheck breakdown
LineEvery 2 weeksPer year
Gross pay$1,680$43,680
Federal income tax−$118−$3,062
Social Security−$104−$2,708
Medicare−$24−$633
State income tax−$56−$1,456
Take-home pay$1,378$35,821
Where your pay goes
82%TAKE-HOME
  • Take-home pay$35,82182%
  • Federal income tax$3,0627%
  • Social Security & Medicare$3,3428%
  • State & local taxes$1,4563%

$1,378

every 2 weeks

Nearby states

$21 an hour in nearby states

StateState + local taxTake-home / yrvs. Idaho
Oregon$3,286$33,991−$1,830
Montana$1,300$35,977+$156
Washington$606$36,671+$850
Wyoming$0$37,277+$1,456
Nevada$0$37,277+$1,456
Moving?

Compare with another state

Single filer, 2026 rates. Salaries round to the nearest $1,000 ($20,000 to $500,000).

Every status

Take-home per paycheck by filing status

Filing statusWeeklyEvery 2 weeksTwice a monthMonthlyPer yearEffective rate
Single$688.86$1,377.73$1,492.20$2,984.41$35,82118%
Married filing jointly$741.66$1,484.33$1,607.94$3,214.87$38,59311.6%
Head of household$709.48$1,418.96$1,536.87$3,073.74$36,89315.5%
FAQ

Questions people ask

How much is $21 an hour after taxes in Idaho?

$21 an hour in Idaho takes home $35,821 a year in 2026, or $1,378 biweekly. That is after $3,062 federal income tax, $3,342 Social Security and Medicare, and $1,456 Idaho tax, for a single filer with no pre-tax deductions: an effective rate of 18%.

What is $21 an hour biweekly after taxes in Idaho?

$1,377.73 per paycheck for a single filer paid every two weeks (26 paychecks), or $1,484.33 if married filing jointly. Gross pay is $1,680 per paycheck.

What is $21 an hour a year in Idaho?

At 2,080 hours a year (40 hours a week), $21 an hour is $43,680 a year before tax and $35,821 after 2026 taxes in Idaho: $17.22 for every hour paid.

What is the marginal tax rate on $21 an hour in Idaho?

24.9% on the next dollar for a single filer: 12% federal, 5.3% Idaho, plus Social Security and Medicare.

How does $21 an hour compare with the median wage in Idaho?

$43,680 a year is 8.9% below Idaho's median annual wage of $47,970 (BLS OEWS, May 2025).

Which nearby state keeps the most of $21 an hour?

Wyoming: $37,277 a year, $1,456 more than in Idaho.

Sources

  1. Idaho State Tax CommissionTable for Percentage Computation Method of Withholding (EPB00744, 07-23-2026) · retrieved 2026-10-16
  2. Idaho State Tax CommissionWithholding tables updated for 2026 (July 31, 2026) · retrieved 2026-10-16
  3. Idaho State Tax CommissionComputing Withholding · retrieved 2026-10-16
  4. Idaho State Tax CommissionIncome You Must Withhold On · retrieved 2026-10-16
  5. Idaho State Tax Commission2025 Idaho Individual Income Tax Instructions (EIN00046) · retrieved 2026-10-16
  6. Idaho State Tax CommissionCommissioners' Quarterly Business Meeting minutes, April 28, 2026 (EPB00687) · retrieved 2026-10-16
  7. IRSRev. Proc. 2025-32 (2026 inflation adjustments) · retrieved 2026-10-16
  8. IRSPublication 15-T (2026), Federal Income Tax Withholding Methods · retrieved 2026-10-16
  9. IRSPublication 15 (2026), (Circular E), Employer's Tax Guide · retrieved 2026-10-16
  10. IRSForm W-4 (2026), Employee's Withholding Certificate · retrieved 2026-10-16
  11. IRSPublication 505 (2026), Tax Withholding and Estimated Tax · retrieved 2026-10-16
  12. IRSForm 1040-ES (2026), Estimated Tax for Individuals · retrieved 2026-10-16
  13. IRSSchedule 1-A (Form 1040) 2026, Additional Deductions (early-release draft) · retrieved 2026-10-16
  14. IRSSchedule 8812 (Form 1040) 2026, Credits for Qualifying Children and Other Dependents (early-release draft) · retrieved 2026-10-16
  15. IRSWorking Families Tax Cuts: Individuals and workers (tips, overtime, seniors, car loan interest) · retrieved 2026-10-16
  16. IRSWorking Families Tax Cuts provisions (charitable deduction for non-itemizers, Section 70424) · retrieved 2026-10-16
  17. IRSChild Tax Credit · retrieved 2026-10-16
  18. IRSIR-2025-111: 401(k) limit increases to $24,500 for 2026 · retrieved 2026-10-16
  19. IRSRev. Proc. 2025-19: 2026 HSA limits · retrieved 2026-10-16
  20. BLSBLS Occupational Employment and Wage Statistics (OEWS), May 2025, median annual wage by state · retrieved 2026-10-16

Written by Reviewed by TODO Reviewer NameLast verified

How every figure is checked: methodology.