Mechanical Engineer salary in St. Louis County, MO

The average salary for a mechanical engineer in St. Louis County, MO is $72,000 per year. Mechanical engineer salaries in St. Louis County, MO can vary between $33,500 to $113,000 and depend on various factors, including skills, experience, employer, bonuses, tips, and more.

This data is exclusive to Mint Salary and is based on 54 tax returns from TurboTax customers who reported their occupation as mechanical engineer.

The following cities offer the highest salaries for mechanical engineers in St. Louis County, MO: Davenport, IA ($77,500 a year), Saint Louis, MO ($71,500 a year), and Peoria, IL ($68,500 a year).