Salaries › Mechanical Engineer › Illinois
Mechanical Engineer Salary in Illinois (2026)
$49.37 per hour · take-home ≈ $75,983/year ($6,332/month) for a single filer
Mechanical Engineer pay range in Illinois
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $72,150 | Lowest-paid 10% earn less than this |
| 25th percentile | $83,800 | A quarter earn less |
| Median (50th) | $102,680 | Half earn more, half earn less |
| 75th percentile | $130,730 | Top quarter starts here |
| 90th percentile (top) | $160,160 | Highest-paid 10% earn more than this |
BLS reports 11,790 Mechanical Engineer jobs in Illinois (occupation code 17-2141, “Mechanical Engineers”).
Gross vs. take-home in Illinois
A median Mechanical Engineer salary of $102,680 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Illinois state income tax, a single filer keeps about $75,983 — an effective tax rate of 26.0%.
| Gross (median) | $102,680 |
| Federal income tax | −$13,760 |
| Social Security + Medicare | −$7,855 |
| Illinois state income tax | −$5,083 |
| Take-home (annual) | $75,983 |
| Take-home (monthly) | $6,332 |
Want your exact numbers — married, 401(k), different salary? Use the free Illinois paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Mechanical Engineer make in Illinois?
- The median Mechanical Engineer salary in Illinois is $102,680 per year ($49.37 per hour) according to the latest BLS data. The middle 50% earn between $83,800 and $130,730.
- What is the take-home pay for a Mechanical Engineer in Illinois?
- On the median salary of $102,680, a single filer in Illinois takes home about $75,983 per year ($6,332 per month) after federal tax, FICA, and state income tax — an effective tax rate of 26.0%.
- How many Mechanical Engineer jobs are there in Illinois?
- BLS counts 11,790 Mechanical Engineer jobs in Illinois in the latest survey (May 2025).
Top-paying states for Mechanical Engineers
Other salaries in Illinois
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Illinois state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Illinois.