SalaryData

Mechanical Engineer Salary in Illinois

Based on 12K+ workers in Illinois

Data year: 2025 · Last updated: June 2026

Median Annual Salary (IL)

$102,680

$49.365/hr

vs National Average

$105,416

-2.6% vs national median

Salary Range (10th–90th)

$72K $160K

12K employed in Illinois

The median Mechanical Engineer salary in Illinois is $102,680 per year, reflecting a stable career path in the state's manufacturing and industrial sectors. With approximately 11,790 mechanical engineers employed across Illinois, the field represents a significant portion of the state's engineering workforce. However, this median falls about 3 percent below the national average, indicating regional salary variations.

Compensation for mechanical engineers in Illinois varies considerably based on experience, education, and industry specialization. Salaries typically range from $72,150 for entry-level positions to $160,160 for highly experienced professionals. Factors such as employer size, geographic location within the state, and sector focus—whether automotive, aerospace, or manufacturing—significantly influence earning potential and career progression opportunities.

Salary Distribution — Mechanical Engineer in Illinois

Mechanical Engineer (IL) salary percentiles
PercentileAnnual Salary
10th percentile$72,150
25th percentile$83,800
Median (50th percentile)$102,680
75th percentile$130,730
90th percentile$160,160

Top H-1B Employers for Mechanical Engineer in Illinois

Companies that filed the most H-1B (LCA) applications for this role in Illinois — ranked by application count.

#EmployerApplicationsMedian Wage
1Rivian Automotive, LLC22$120,000
2Traton R&D US LLC16$136,422
3Caresoft Global Technologies Inc8$100,693
4Gotion Illinois New Energy Inc.6$111,500
5CATERPILLAR INC.5$95,680

Source: U.S. Department of Labor OFLC LCA Disclosure Data, FY2026.

Historical Salary Trend — Mechanical Engineer in Illinois vs National

Historical Mechanical Engineer (Illinois vs National) salary trend
YearMedian Salary (United States)
2022$94,820
2023$99,420
2024$99,730
2025$102,680
Historical salary trend for Mechanical Engineer in Illinois
YearIllinois MedianNational Median
2022$94,820$92,043
2023$99,420$97,128
2024$99,730$102,901
2025$102,680$105,416

Mechanical Engineer Salary by Experience Level in Illinois

Mechanical Engineer Salary in Other States

Frequently Asked Questions

How much do mechanical engineers make in Illinois?

Mechanical engineers in Illinois earn a median salary of $102,680 per year, or approximately $49 per hour. This is slightly below the national average, representing a difference of -2.6%.

What is the salary range for mechanical engineers in Illinois?

The salary range for mechanical engineers in Illinois spans from $72,150 at the lower end to $160,160 at the higher end, reflecting significant variation based on experience, specialization, and employer.

Is Illinois a good state for mechanical engineer salaries compared to the national average?

Illinois mechanical engineer salaries are slightly below the national average by 2.6%, meaning the median of $102,680 is moderately competitive but not among the highest-paying states for this profession.

How many mechanical engineers work in Illinois?

There are approximately 11,790 mechanical engineers currently employed in Illinois, representing a substantial job market for this profession in the state.

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