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

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

CityMedian SalaryHourly RateEntry Level (P10)Senior (P90)Employment
St. Louis, MO$93,836$45.11/hr$59,879$132,118310
Kansas City, MO$93,104$44.76/hr$59,662$138,885311

Source: Bureau of Labor Statistics OEWS Survey, 2026. Sorted by median salary (highest first).

Missouri vs National Average

Mechanical Engineer Salary Comparison

Missouri Average$93,470
National Average$100,140
Difference-$6,670 (-6.7%)

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

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.