Mechanical Engineers Salary in Illinois (2025)
✓ Sourced directly from BLS OES · Checked for accuracy at every rebuild · First published: 2026-08-25 · Last updated: 2026-10-25
BLS OES May 2025 · SOC 17-2141As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links.
Overview
The median wage for mechanical engineers in Illinois is $102,680 per year (gross, before tax) — 1.4% below the US national median of $104,110 for this occupation. Figures are from BLS Occupational Employment and Wage Statistics (May 2025). Around 12,000 people work in this occupation in Illinois. Negotiating an offer in Illinois? A good salary negotiation guide helps you make the case for the upper percentiles.
Illinois Salary Percentiles
| Percentile | Annual (gross) | Notes |
|---|---|---|
| 10th | $72,150 | Entry level / lowest decile |
| 25th | $83,800 | Early career |
| 50th (median) | $102,680 | Typical pay |
| 75th | $130,730 | Experienced |
| 90th | $160,160 | Senior / highest decile |
Career Essentials
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Start $1 Trial →How Illinois Compares
| State | Median salary | vs national |
|---|---|---|
| New Mexico | $157,710 | +51.5% |
| District of Columbia | $133,300 | +28.0% |
| California | $130,900 | +25.7% |
| Delaware | $125,130 | +20.2% |
| Colorado | $124,430 | +19.5% |
| Alaska | $124,340 | +19.4% |
| Maryland | $122,870 | +18.0% |
| Louisiana | $119,540 | +14.8% |
| Massachusetts | $119,300 | +14.6% |
| Wyoming | $117,750 | +13.1% |
| Illinois | $102,680 | -1.4% |
All states for mechanical engineers →
Recommended Gear & Prep
Interviewing in Illinois? Interview prep books cover the common question sets.
All salaries in Illinois · UK data for this occupation
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Frequently Asked Questions
What is the average salary for a mechanical engineers in Illinois?
The median salary in Illinois is $102,680 per year (gross, before tax), based on BLS OES May 2025 data. The mean is $111,380.
How does Illinois pay compare to the US national average?
Illinois is 1.4% below the US national median of $104,110 for this occupation.
Which US state pays mechanical engineers the most?
New Mexico has the highest median pay for this occupation at $157,710 per year. See the state comparison table above for more.
Data: BLS OES, May 2025 · Page built 2026-10-25