Mechanical Engineer Salary in St. Louis, MO
Based on 2025 data from the U.S. Bureau of Labor Statistics
Salary Range in St. Louis
Mechanical Engineer Salary in Other Cities
How Much Does a Mechanical Engineer Make in St. Louis, MO?
The median Mechanical Engineer salary in St. Louis, MO is $94,800 per year as of 2025, according to the U.S. Bureau of Labor Statistics. This is 9% lower than the national median of $104,110.
Salaries in St. Louis range from $58,200 at the 10th percentile to $153,400 at the 90th percentile. The middle 50% of Mechanical Engineers in St. Louis earn between $73,800 and $122,000 per year.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025. Occupation: Mechanical Engineer (SOC 17-2141).
Frequently Asked Questions
How much does a Mechanical Engineer make in St. Louis, MO?
The median Mechanical Engineer salary in St. Louis, MO is $94,800 per year as of 2025, according to the U.S. Bureau of Labor Statistics.
What is the salary range for a Mechanical Engineer in St. Louis?
Mechanical Engineer salaries in St. Louis range from $58,200 at the 10th percentile to $153,400 at the 90th percentile. The middle 50% earn between $73,800 and $122,000 per year.
Is St. Louis a good place to work as a Mechanical Engineer?
St. Louis Mechanical Engineer salaries are 9% lower than the national median. St. Louis pays below the national average for this role.
Where does the salary data come from?
All data comes from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey — the most comprehensive salary database in the United States, covering approximately 830 occupations across 600+ metropolitan areas.