$21 an hour after taxes in Illinois
$21 an hour is $43,680 a year before tax at 40 hours a week. After 2026 federal, FICA and Illinois taxes:
You keep
$35,260
a year after taxes
- Every two weeks
- $1,356
- A month
- $2,938
- Effective tax rate
- 19.3%
IL A flat 4.95% income tax
| Line | Every two weeks | Year |
|---|---|---|
GROSS Gross pay |
$1,680.00 | $43,680.00 |
FED Federal income tax |
-$117.75 | -$3,061.60 |
OASDI Social Security tax |
-$104.16 | -$2,708.16 |
MED Medicare tax |
-$24.36 | -$633.36 |
ST Illinois income tax |
-$77.59 | -$2,017.37 |
NET Take-home pay | $1,356.13 | $35,259.51 |
$21 an hour per paycheck, month and day in Illinois
| Period | Gross | Taxes | Take-home |
|---|---|---|---|
| Year | $43,680 | -$8,420 | $35,260 |
| Month | $3,640 | -$702 | $2,938 |
| Every two weeks | $1,680 | -$324 | $1,356 |
| Week | $840 | -$162 | $678 |
| Day | $168 | -$32 | $136 |
Biweekly means 26 paychecks a year. A day is one of 260 working days (five a week). "Taxes and deductions" includes every line on the stub above.
If you work more or fewer hours
| Hours a week | Yearly gross | Yearly take-home |
|---|---|---|
| 20 | $21,840 | $18,659 |
| 25 | $27,300 | $22,885 |
| 30 | $32,760 | $27,026 |
| 35 | $38,220 | $31,143 |
| 40 | $43,680 | $35,260 |
| 45 (5 overtime) | $51,870 | $41,762 |
| 50 (10 overtime) | $60,060 | $48,265 |
From 2026, federal income tax exempts the overtime premium (the extra half of time-and-a-half) up to $12,500 a year for single filers. Social Security, Medicare and Illinois tax still apply to it in this estimate.
What $21 an hour affords in Illinois
- Rent at 30% of gross pay
- $1,092 a month
- Needs (50% of take-home)
- $1,469 a month
- Wants (30%)
- $881 a month
- Savings and debt (20%)
- $588 a month
The 30% rule is the benchmark HUD uses for housing cost burden. The 50/30/20 split applies to the $2,938 monthly take-home figure above.
How Illinois compares
Illinois taxes wages at a flat 4.95%. On $21 an hour ($43,680 a year) the state takes $2,017 in income tax (4.6% of gross), the 49th lowest of 51 jurisdictions.
| State | State taxes | Take-home a year |
|---|---|---|
| Illinois | $2,017 | $35,260 |
| Iowa | $1,008 | $36,269 |
| Indiana | $1,259 | $36,018 |
| Kentucky | $1,411 | $35,866 |
| Missouri | $1,080 | $36,197 |
| Wisconsin | $1,265 | $36,012 |
| California | $1,298 | $35,979 |
Questions people ask about $21 an hour in Illinois
How much is $21 an hour a year after taxes in Illinois?
Working 40 hours a week for 52 weeks, $21 an hour is $43,680 before tax. After $3,062 federal income tax, $3,342 Social Security and Medicare, and $2,017 in Illinois state taxes, you take home $35,260 a year as a single filer in 2026.
How much is $21 an hour biweekly after taxes in Illinois?
$21 an hour is $1,680 gross every two weeks. After taxes a biweekly paycheck comes to about $1,356.
$21 an hour is how much a month?
$21 an hour is $3,640 a month before tax and about $2,938 after tax in Illinois, averaged over 12 months.
How much rent can I afford on $21 an hour?
The 30% rule puts rent at $1,092 a month on $3,640 gross. Budgeting from take-home pay with 50/30/20, all needs including rent get $1,469.
How much is $21 an hour with overtime in Illinois?
At 50 hours a week (10 hours at $31.50), you earn $60,060 a year and keep $48,265. The 2026 federal overtime deduction takes $5,460 of overtime premium out of federal taxable income; Social Security and Medicare still apply.
How much Illinois state tax comes out of $21 an hour?
$2,017 a year, or $78 per biweekly paycheck, in Illinois income tax. Local income taxes, where they exist, are not included.
Try your own numbers
Sources and assumptions
Tax year 2026. Annual tax for a filer with no dependents, no other income and no credits, working 52 weeks. Hours over 40 a week are paid at 1.5×. Local income taxes are not included. How we calculate.
- IRS Revenue Procedure 2025-32: federal brackets and standard deduction (retrieved 2026-09-26)
- Social Security Administration: 2026 wage base; IRS: Medicare and Additional Medicare Tax
- Illinois tax source (retrieved 2026-09-26)