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Mechanical Engineers Salary in St. Louis, MO-IL

The median annual wage for Mechanical Engineers in St. Louis, MO-IL is $86,390 (May 2024 BLS OES). The mean (average) is $93,510.

Pay spans roughly $62,810 at the 10th percentile to $132,500 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $41.53 per hour. An estimated 1,730 people work as mechanical engineers in St. Louis, MO-IL.

Median (annual)	$86,390
Mean (annual)	$93,510
Median (hourly)	$41.53
10th percentile	$62,810
90th percentile	$132,500
Employment	1,730

Updated 2026-07-23.

Mechanical Engineers in other areas

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• Mechanical Engineers in Appleton, WI
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• Mechanical Engineers in Asheville, NC
• Mechanical Engineers in Athens-Clarke County, GA
• Mechanical Engineers in Atlanta-Sandy Springs-Roswell, GA
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• Mechanical Engineers in Auburn-Opelika, AL
• Mechanical Engineers in Augusta-Richmond County, GA-SC

Other occupations in St. Louis, MO-IL

• Chief Executives
• General and Operations Managers
• Legislators
• Advertising and Promotions Managers
• Marketing Managers
• Sales Managers
• Public Relations Managers
• Fundraising Managers
• Administrative Services Managers
• Facilities Managers
• Computer and Information Systems Managers
• Financial Managers
• Industrial Production Managers
• Purchasing Managers
• Transportation, Storage, and Distribution Managers
• Compensation and Benefits Managers
• Human Resources Managers
• Training and Development Managers
• Construction Managers
• Education Administrators, Kindergarten through Secondary
• Education Administrators, Postsecondary
• Education Administrators, All Other
• Architectural and Engineering Managers
• Food Service Managers

Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.