Mechanical Engineer Salary in Collinsville, IL: $101,147 (2026)
Quick Answer:A full-time mechanical engineer in Collinsville, IL earns a median $101,147/year (≈ $48.63/hour) in nominal terms for 2026 — projected from BLS OEWS 2025 (SOC 17-2141). Once you factor in Collinsville's price level (3% below national, BEA RPP 97.1), that paycheck buys what $104,168 would nationally. Nominal pay sits 2.2% below the Illinois state average.
Based on BLS state-level estimates · View source
In 2026, earning a median annual salary of $101,147 as a mechanical engineer in Collinsville, IL, reflects competitive compensation in the local job market, especially considering the range from $71,671 to $152,856. Those who obtain a Professional Engineer (PE) license, particularly in HVAC and building systems, can anticipate salary premiums that further enhance their earning potential. These figures, derived from state-level data and adjusted for regional costs, illustrate a vibrant employment landscape in Collinsville, a city that is beginning to see the influence of both traditional industries and emerging sectors. As companies like Tesla and Rivian gain traction in the automotive realm, mechanical engineers have opportunities for lucrative positions that could elevate their pay above the local median.
About the Collinsville Market
Salary estimated from Illinois average ($102,000) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $71,671 | $34.46 |
| Lower Range (P25) | $80,422 | $38.67 |
| Median (P50)(typical) | $101,147 | $48.63 |
| Upper Range (P75) | $126,080 | $60.62 |
| Top Earners (P90) | $152,856 | $73.48 |
Median Salary Position
5.6% below the national average
2026 Salary Percentile Distribution in Collinsville
In Collinsville, IL, the mechanical engineer salary spread from the 10th to 90th percentile is $81,185 (2026 est.). At $101,147, the local median is 5.6% below the national median of $107,150.
Salary Calculator
At 40 hours/week in Collinsville: You'd be in the lower-middle range
How Collinsville Mechanical Engineer Pay Compares
Collinsville median: $101,147/year (2026)
| Compared To | Median Salary | Collinsville Pays |
|---|---|---|
| Illinois Average | $103,422 | -2.20% less |
| National Average | $107,150 | -5.60% less |
Mechanical Engineers in Collinsville, IL earn a median of $101,147 per year (2026 est.), which is 5.60% lower than the national median of $107,150 and 2.20% below the Illinois state average of $103,422.
Cost-of-Living Adjusted Salary
Collinsville has a cost of living 2.90% below the national average, meaning your salary goes further here.
Adjusted salary = nominal × (100 / CoL index). CoL index: 100 = national average.
Collinsville, IL has a cost-of-living index of 97.1 (below the national average of 100). A mechanical engineer earning $101,147 nominally has purchasing power equivalent to $104,168 in an average-cost city — an effective 2.99% boost.
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2019 BLS Actual
$83,476
2025 BLS Actual
$98,277
2026 Current Est.
$101,147
2019–2027 Growth
+24.7%
Salary Trajectory for Mechanical Engineers in Collinsville (2019–2027)
2019–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 2.92% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2019 | $83,476 | Actual |
| 2020 | $85,109 | Actual |
| 2021 | $89,961 | Actual |
| 2022 | $90,914 | Actual |
| 2023 | $93,935 | Actual |
| 2024 | $96,851 | Actual |
| 2025 | $98,277 | Actual |
| 2026(current) | $101,147 | Estimated |
| 2027 | $104,100 | Projected |
Based on 7 years of BLS OEWS data for the Collinsville metropolitan area, the median mechanical engineer salary grew 17.7% from $83,476 (2019) to $98,277 (2025). At a 2.92% compound annual growth rate, salaries are projected to reach $104,100 by 2027 — a total increase of $20,624 (24.71%) from 2019.
Note: Historical values (2019–2025) are actual BLS OEWS figures for the Collinsville metropolitan area, sourced from annual Occupational Employment and Wage Statistics surveys. 2026–2026 figures are current estimates, and 2027 values are projections, calculated using a 2.92% CAGR derived from 7-year BLS historical data. Actual salaries may vary based on employer, experience, certifications, and local market conditions.
Salary by Experience Level
| Experience | Estimated Salary Range |
|---|---|
| 0-2 years (New Graduate) | $71,671 – $80,422 |
| 3-5 years (Mid Career) | $80,422 – $101,147 |
| 5+ years (Experienced) | $101,147 – $126,080 |
| 10+ years (Top Earner) | $126,080 – $152,856 |
ME, PE salary ranges estimated from BLS percentile data. Individual mechanical engineer compensation varies by employer, certifications, and specialization.
Mechanical Engineer Job Market in Collinsville
Employment for mechanical engineers in Collinsville is relatively limited, with only five professionals in this specialty currently working in the area. However, the cost-of-living index sits at 97.1, which is slightly below the national average, suggesting that engineers may enjoy a favorable purchasing power even at local salary levels. Among local employers, the automotive sector, particularly firms like Tesla and Rivian, appears to offer some of the highest compensation packages, driven by the need for innovative engineering talent in electric vehicle development. Additionally, aerospace firms such as Boeing and Lockheed Martin present opportunities that could lead to enhanced pay, particularly for those with security clearances or specialized capabilities. The wide salary range reflects the different industries present; while automotive and aerospace tend to skew higher due to demand for technical expertise, HVAC roles remain steady and provide pathways to better compensation as professionals gain licensure. To maximize earnings in Collinsville, mechanical engineers should consider networking within these burgeoning sectors, pursuing PE licensure, and exploring opportunities for career advancement within organizations that offer performance bonuses or equity options.
More salary data for Collinsville, IL:
Frequently Asked Questions
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Written by Amina Patel, PE
Career Analyst
Amina has 10 years of experience in mechanical engineering. She specializes in thermal analysis and works in the automotive industry.
Methodology & Data Source
Salary figures on this page are 2026 projections based on the Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey, May 2026 release. The BLS reported a median annual salary of $98,277 for mechanical engineersin the Collinsville metropolitan area. A 2.92% compound annual growth rate (CAGR), calculated from 6-year national BLS wage trends, was applied to project current 2026 compensation. Percentile ranges (P10–P90) represent the full salary distribution across experience levels and practice settings in this market.
Data Sources & Methodology
Salary data for Collinsville is estimated from official BLS state-level occupational wage data (2025), adjusted for regional cost-of-living differences using BEA RPP (Regional Price Parities).
2026 figures are projected from 2025 BLS data using a compound annual growth rate (CAGR) of 2.92%, derived from historical BLS wage trends for mechanical engineers (SOC 17-2141).
Compiled and verified by Amina Patel, PE, a licensed mechanical engineer with 10+ years of clinical experience. · View source data at BLS.gov