Outpaid

Mechanical Engineers salary
in St. Louis, MO-IL

Mechanical Engineers in the St. Louis, MO-IL metro earn a median of $100,340 a year, based on BLS estimates for 2,190 jobs (May 2025). That is 4% below the U.S. median of $104,110 and 1% above the MO statewide median of $99,330. It ranks #111 of 211 metros with published figures for this job.

MECHANICAL ENGINEERS · ST. LOUIS, MO-IL · BLS
BLS OEWS MAY 2025 · ST. LOUIS, MO-IL · ALL EMPLOYERS, ALL EXPERIENCE LEVELS
P10$65,900P25$79,740MEDIAN$100,340P75$120,020P90$149,060
BLS · UNITED STATES
P10$73,990P25$84,130MEDIAN$104,110P75$132,590P90$164,340
30 SECONDS · NO SIGNUP · ON-DEVICE

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MECHANICAL ENGINEERS PAY IN OTHER MO METROS

Questions

What is the average Mechanical Engineers salary in St. Louis?

The BLS median is $100,340 a year (May 2025). Half of the 2,190 jobs pay between $79,740 and $120,020. The 10th percentile is $65,900 and the 90th is $149,060.

Is St. Louis a high-paying metro for Mechanical Engineers?

That is 4% below the U.S. median of $104,110 and 1% above the MO statewide median of $99,330. It ranks #111 of 211 U.S. metros with published BLS figures for this job.

Does this include experience levels?

BLS figures cover all experience levels together. Employer filings carry a DOL wage level, which the free checker can filter by (approximate).

Sources: U.S. BLS Occupational Employment and Wage Statistics, May 2025 (national + state) (metro area estimates, all employers); employer rows from U.S. DOL OFLC LCA Disclosure Data, FY2026 Q3 (LCA_Disclosure_Data_FY2026_Q3.xlsx). Base pay only. Estimates can have sampling error, especially for smaller metros.