Average Mechanical Engineer Salary in Missouri
Mechanical Engineers in Missouri earn an average of $93,470 per year across 2 metro areas. This is +6.7% lower than the national average.
Average Salary
$93,470
per year
Hourly Rate
$44.94
per hour
vs National
-6.7%
$100,140 national
Salary Range
$59,771
to $135,502
About Mechanical Engineer Careers in Missouri
Mechanical engineers design, develop, build, and test mechanical devices and systems, including tools, engines, and machines. They apply principles of physics, mathematics, and materials science to create solutions that improve our daily lives. Mechanical engineering is one of the broadest engineering disciplines, with applications in virtually every industry.
In Missouri, mechanical engineers earn an average of $93,470 per year as of 2026, with salaries ranging from $59,771 for entry-level roles to $135,502 for the most experienced professionals — +6.7% below the national average. Pay is influenced most by industry sector (aerospace, automotive, oil & gas), pe licensure and certifications, and the specific metro area within Missouri.
Cost of Living Adjusted Salary
Nominal Salary
$93,470
Cost of Living Index
90
100 = national average
Adjusted Salary
$103,856
purchasing power equivalent
After adjusting for Missouri's cost of living (below average), a Mechanical Engineer's salary of $93,470 has the purchasing power of $103,856 in an average-cost area.
Mechanical Engineer Salary by City in Missouri
| City | Median Salary | Hourly Rate | Entry Level (P10) | Senior (P90) | Employment |
|---|---|---|---|---|---|
| St. Louis, MO | $93,836 | $45.11/hr | $59,879 | $132,118 | 310 |
| Kansas City, MO | $93,104 | $44.76/hr | $59,662 | $138,885 | 311 |
Source: Bureau of Labor Statistics OEWS Survey, 2026. Sorted by median salary (highest first).
Missouri vs National Average
Mechanical Engineer Salary Comparison
Employment in Missouri
There are approximately 621 Mechanical Engineers employed across 2 metro areas in Missouri.
Key Industries: Manufacturing, Healthcare, Agriculture
State Income Tax: 0% - 4.95%
Mechanical Engineer Salary Range in Missouri
Entry Level (10th Percentile)
$59,771
Starting salary for new Mechanical Engineers
Median (50th Percentile)
$93,470
Mid-career Mechanical Engineer salary
Senior (90th Percentile)
$135,502
Top earners in the field
Related Occupations in Missouri
Mechanical Engineer Salary in Neighboring States
Compare Mechanical Engineer salaries in Missouri with nearby states to find the best opportunities.
More Mechanical Engineer Data
Frequently Asked Questions
What is the average Mechanical Engineer salary in Missouri?
The average Mechanical Engineer salary in Missouri is $93,470 per year ($44.94/hour) based on 2026 data across 2 metro areas. This is 6.7% below the national average of $100,140.
What is the highest paying city for Mechanical Engineers in Missouri?
St. Louis, MO is the highest paying city for Mechanical Engineers in Missouri, with a median salary of $93,836 per year. The lowest paying metro area is Kansas City, MO at $93,104.
What is the salary range for Mechanical Engineers in Missouri?
Mechanical Engineer salaries in Missouri range from $59,771 (entry-level, 10th percentile) to $135,502 (experienced, 90th percentile). The median salary is $93,470 per year.
About This Data
Salary data is sourced from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey. State-level averages are calculated from metro area data within Missouri. Figures represent 2026 estimates and may not reflect all employers or self-employed workers. Cost of living adjustments use regional indices to provide purchasing power context.