RateOrchard
DATA PROFILE · 2024

Mechanical Engineers salary in Illinois

Steadymarket
-51%offers
+7.4%wages
heat40/100

Median, range, employment, and 10-year outlook from BLS Occupational Employment Statistics, with skills and task data from O*NET. Cost-of-living adjustment from BEA Regional Price Parities.

Adrian Serafin, founder and editor of RateOrchardBy Adrian SerafinFounderUpdated April 27, 2026
Median annual$99,730
Mean annual$104,460
Range (10th to 90th)$67,200 to $143,500
Illinois employment9,920
State vs national-4.7% vs national

Salary distribution

Where Illinois mechanical engineers fall on the wage curve.

Annual wage distribution

Shaded band = interquartile range (where most full-time workers fall)

10TH$67,20025TH$80,690MEDIAN$99,73075TH$124,49090TH$143,500

The middle 50% of workers earn between $80,690 and $124,490, with a median of $99,730.

Real disclosed salaries

Mechanical Engineers in Illinois: actual employer-disclosed pay

Public records from 532 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $100,000. Every figure below is an actual offered salary an employer attested to under federal law.

By DOL wage level

DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.

LevelFilingsMedian offer
Level I — entry106$76,083
Level II — qualified209$95,680
Level III — experienced80$116,235
Level IV — fully competent70$127,034

Top employers filing for this role

Companies with the most certified filings for Mechanical Engineers in Illinois. Median offer is across all of that employer's filings.

EmployerMost-filed titleFilingsMedian
Caterpillar Inc.Performance / Simulation / Application Engineer54$100,298
Rivian Automotive, LLCSr. Automation Controls Engineer23$124,630
HCL AMERICA INCDesign Lead20$88,827
Gotion Illinois New Energy Inc.Mechanical Engineer18$109,000
TECH MAHINDRA (AMERICAS), INCMechanical Engineer18$87,548
RIVIAN AUTOMOTIVE, LLCSr. Process Engineer16$119,910
Traton R&D US LLCProject Engineer15$135,200
CNH Industrial America LLCHydraulics System Lead9$114,400
International Motors, LLCProject Engineer9$122,221
Harvey Nash Inc.Mechanical Engineer7$87,360

Recent sample filings

A snapshot of recent certified offers. Each line is a real, public, verifiable record.

  • MECHANICAL DESIGN ENGINEER at STERTIL ALM CORPORATION
    $62,234
    STREATORDecided Dec 30, 2025I-200-25356-503816
  • Dev/Research Engineer at Harvey Nash Inc.
    $99,840
    ChillicotheDecided Dec 29, 2025I-200-25353-498943
  • Mechanical Engineer at Cyient, Inc.
    $95,680
    PeoriaDecided Dec 29, 2025I-200-25353-498460
  • Senior PLC/Controls Engineer at Gotion Illinois New Energy Inc.
    $150,000
    MantenoDecided Dec 26, 2025I-200-25352-495919
  • ENGINEER - DESIGN at CATERPILLAR INC.
    $75,962
    PONTIACDecided Dec 24, 2025I-200-25351-492034
  • Performance/ Simulation/ Application Engineer at CATERPILLAR INC.
    $95,680
    CHILLICOTHEDecided Dec 24, 2025I-200-25351-491547
  • Senior Engineer, Product Quality (MedTech) at Knowles Electronics, LLC
    $140,000
    ItascaDecided Dec 23, 2025I-200-25350-487200
  • Design Engineer at Xylo Consulting, LLC.
    $76,000
    PONTIACDecided Dec 22, 2025I-200-25349-484255

Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.

By seniority

Mechanical Engineers pay by experience level in Illinois

Each band reflects DOL Wage Levels I-IV mapped onto a four-step ladder. Click a level to see the disclosed-wage range for that segment.

Specialties

Mechanical Engineers specialties in Illinois

Real specialty titles employers file for, clustered from 305 certified offers. The most common variant is Mechanical Engineer at a median of $87,548.

SpecialtyTop employerFilingsMedian offer
Mechanical EngineerTECH MAHINDRA (AMERICAS), INC88$87,548
Design EngineerCaterpillar Inc.47$93,080
EngineerGamma Technologies LLC32$96,800
Performance / Simulation / Application EngineerCaterpillar Inc.29$100,298
Project EngineerTraton R&D US LLC27$116,432
Mechanical Design EngineerTECH MAHINDRA (AMERICAS), INC20$87,548
Manufacturing EngineerCintal, Inc.13$100,000
Sr. Process EngineerRIVIAN AUTOMOTIVE, LLC12$106,453
Design LeadHCL AMERICA INC12$95,202
Product EngineerInternational Motors, LLC9$100,499
Senior DesignerHCL AMERICA INC9$83,803
Manager, Process EngineeringRIVIAN AUTOMOTIVE, LLC7$149,240

Specialties with 10 or more filings link to a dedicated breakdown.

Pay by industry

Mechanical Engineers in Illinois, by industry

Median offered wage across 526 certified filings, grouped by NAICS industry sector. Manufacturing leads with a median of $104,294.

IndustryLargest employerFilingsMedian offer
ManufacturingCaterpillar Inc.252$104,294
Professional servicesGotion Illinois New Energy Inc.144$99,620
Technology and softwareHCL AMERICA INC99$87,548
Retail and wholesaleElkay Plumbing Products Company17$90,730
EducationNorthwestern University7$65,582
Energy and utilitiesS&C ELECTRIC COMPANY4$119,327
Nonprofit and civicOpen Avenues Foundation2$90,106
Media and entertainmentAO Racing LLC1$85,000

Sectors with at least 25 filings link to a dedicated page with full distribution and sample employer breakdown.

Wage trend

Median annual wage in Illinois over the past 2 BLS OES releases. Real values are CPI-adjusted to 2024 dollars.

Median annual wage, Illinois2023 to 2024
$99,4202023$99,7302024

Typical entry

  • Education

    Bachelor's degree

  • Experience

    None

  • On-the-job training

    None

Top skills (O*NET)

  • Engineering and Technology

    Knowledge

    4.9 / 5
  • Mathematics

    Knowledge

    4.7 / 5
  • Design

    Knowledge

    4.6 / 5
  • Mechanical

    Knowledge

    4.4 / 5
  • Physics

    Knowledge

    4.3 / 5
  • English Language

    Knowledge

    4.2 / 5
  • Oral Comprehension

    Ability

    4.0 / 5
  • Written Comprehension

    Ability

    4.0 / 5

Common tasks (O*NET)

  1. 01

    Read and interpret blueprints, technical drawings, schematics, or computer-generated reports.

  2. 02

    Research, design, evaluate, install, operate, or maintain mechanical products, equipment, systems or processes to meet requirements.

  3. 03

    Confer with engineers or other personnel to implement operating procedures, resolve system malfunctions, or provide technical information.

  4. 04

    Develop, coordinate, or monitor all aspects of production, including selection of manufacturing methods, fabrication, or operation of product designs.

  5. 05

    Investigate equipment failures or difficulties to diagnose faulty operation and recommend remedial actions.

  6. 06

    Develop or test models of alternate designs or processing methods to assess feasibility, sustainability, operating condition effects, potential new applications, or necessity of modification.

  7. 07

    Recommend the use of utility or energy services that minimize carbon footprints.

  8. 08

    Specify system components or direct modification of products to ensure conformance with engineering design, performance specifications, or environmental regulations.

10-year outlook

Growth 2024 → 2034

+9.0%

Projected annual openings

BLS outlook

Growing faster than average

Source: BLS Employment Projections, 20242034 cycle.

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Top metros in Illinois

Metro-level salary data for mechanical engineers in major Illinois metropolitan areas.

Compare Mechanical Engineers pay across nearby states

Frequently asked questions

What is the median salary for Mechanical Engineers in Illinois?
According to BLS Occupational Employment Statistics, the median annual wage for Mechanical Engineers in Illinois is $99,730.
How does Illinois compare to the national median for Mechanical Engineers?
The Illinois median is -4.7% versus the BLS national figure of $104,651.
What is the salary range for Mechanical Engineers in Illinois?
BLS reports the 10th-percentile annual wage at $67,200 and the 90th-percentile at $143,500, which captures most full-time workers in the role.
Is Mechanical Engineers a growing field?
BLS Employment Projections show employment growing by 9.0% over the projection cycle. See the 10-year outlook section above for details.
What education is required for Mechanical Engineers?
BLS lists the typical entry-level education as Bachelor's degree. Many employers also weigh prior experience and credentials.
Disclaimer

Information on this page is for general educational purposes only. It is not career, financial, or tax advice. Wage data reflects BLS estimates for the reference year shown and may not match individual offers, employer-specific ranges, or current market conditions. Confirm with a licensed professional before making career or compensation decisions.