Working full time at $18 an hour ($37,440 a year) in Illinois, a single filer takes home about $30,555 a year, $2,546 a month or $14.69 an hour, after federal tax, FICA and $1,708 Illinois income tax.
#50 of 51for take-home at this pay
Where the money goes
Breakdown
| Yearly | Monthly | |
|---|---|---|
| Gross pay | $37,440 | $3,120 |
| Federal income tax | $2,313 | $193 |
| Social Security (6.2%) | $2,321 | $193 |
| Medicare | $543 | $45 |
| Illinois income tax | $1,708 | $142 |
| Take-home | $30,555 | $2,546 |
| Federal marginal rate | 12% | |
| Illinois marginal rate | 4.95% |
Same pay in other states
Highest take-home at this pay: Alaska. Middle: Idaho. Lowest: Oregon.
Your tax bracket at this pay
Your federal taxable income is about $21,340 (after the $16,100 standard deduction), which puts the top slice of your pay in the 12% bracket ($12,400 to $50,400). You have about $29,060 of room before the next dollar is taxed at 22%. Only that top slice is taxed at 12%: your average federal rate is 6.2%, and all taxes together (federal, FICA, state) take 18.4% of gross pay. A $1,000 raise would add about $754 to your take-home.
| Federal bracket | Your income in it | Tax |
|---|---|---|
| 10% on $0–$12,400 | $12,400 | $1,240 |
| 12% on $12,400–$50,400 | $8,940 | $1,073 |
| Rate | Federal | Combined with state and FICA |
|---|---|---|
| Marginal (next dollar) | 12% | 24.6% |
| Effective (average) | 6.2% | 18.4% |
Compared with the Illinois median
$37,440 is 45% of the Illinois median household income of $83,390 (Census ACS 2020–2024 median; households can have more than one earner, so a single salary is not directly comparable).
Affordability snapshot
| Amount | |
|---|---|
| Rent budget (30% of gross) | $936/mo |
| Home price at 30% of gross (10% down) | $114,000 |
| Illinois median home value | $263,300 (Census 2020–2024) |
Rule of thumb only: housing at 30% of gross monthly pay. Home price assumes a 30-year fixed at the Freddie Mac average of 7.40% (week of 2026-10-15), 10% down, the Illinois median effective property tax rate and about 0.35% a year for insurance. Lenders also weigh debts, credit and PMI.
401(k) and HSA effect
| Contribution | Saved | Take-home cut | Tax saved |
|---|---|---|---|
| 6% to a 401(k) ($2,246/yr) | $2,246 | $1,865 | $381 |
| Max HSA, self-only ($4,400, via payroll) | $4,400 | $3,318 | $1,082 |
Pre-tax 401(k) deferrals cut federal and Illinois income tax but not Social Security or Medicare; payroll HSA contributions also skip FICA. 2026 limits: 401(k) $24,500 (under 50), HSA $4,400 self-only (IRS). Some states tax HSA contributions; this estimate assumes they follow federal rules.
What applies at this income
- You are under the 2026 Roth IRA income limit for single filers ($153,000 of modified AGI), so you can contribute the full amount.
- Maxing out a 401(k) ($24,500) would take more than half your gross pay at this level, so most people here contribute a percentage instead.
Illinois jobs that typically pay about $37,440
$37,440 is above the median pay of 17 of the 100 common occupations we track in Illinois (BLS OEWS, May 2025). These have a Illinois median between $36,400 and $38,480:
| Occupation | Illinois median | vs this pay |
|---|---|---|
| Teaching Assistants | $36,990 | −$450 |
| Receptionists and Information Clerks | $37,400 | −$40 |
| Cooks, Institution and Cafeteria | $37,440 | +$0 |
| Restaurant Cooks | $37,580 | +$140 |
| Stockers and Order Fillers | $37,680 | +$240 |
| Janitors and Cleaners | $37,810 | +$370 |
| Home Health and Personal Care Aides | $38,060 | +$620 |
| Counter and Rental Clerks | $38,140 | +$700 |
Where $37,440 lands inside other Illinois jobs
For 4 of these occupations, $37,440 is what experienced or top earners make (75th–90th percentile); for 6, it is entry-level pay (10th–25th percentile).
| Occupation | Percentile | Illinois pay at that percentile |
|---|---|---|
| Miscellaneous Assemblers and Fabricators | 25th | $37,270 |
| Fast Food and Counter Workers | 90th | $37,330 |
| Fast Food Cooks | 75th | $37,350 |
| Dental Assistants | 10th | $37,360 |
| Medical Secretaries and Administrative Assistants | 10th | $37,440 |
| Nursing Assistants | 10th | $37,590 |
| Packaging and Filling Machine Operators and Tenders | 25th | $37,590 |
| Dishwashers | 75th | $37,660 |
| Customer Service Representatives | 25th | $37,680 |
| Retail Salespersons | 75th | $37,750 |
Previous and next pay level
Related
- $16 an hour in Illinois$2,285/mo
- $17 an hour in Illinois$2,416/mo
- $19 an hour in Illinois$2,677/mo
- $20 an hour in Illinois$2,808/mo
- Illinois income tax brackets2026
- Minimum wage in Illinois2026
- Illinois property taxby county
Single filer, W-2 wages only; 2026 IRS brackets and $16,100 standard deduction, FICA (Social Security to $184,500, Medicare +0.9% over $200,000) and state rules per the Tax Foundation (Jan 1, 2026). Local taxes and payroll deductions are excluded. Sources: IRS, SSA, Tax Foundation. Not tax advice.
Frequently asked questions
How much is $18 an hour after taxes in Illinois?
Working full time at $18 an hour ($37,440 a year) in Illinois, a single filer takes home about $30,555 a year, $2,546 a month or $14.69 an hour, after federal tax, FICA and $1,708 Illinois income tax.
How much is $18 an hour per month after taxes in Illinois?
About $2,546 a month, or $1,175 per biweekly paycheck.
How much state tax do I pay on $18 an hour in Illinois?
About $1,708 a year (marginal rate 4.95%).