Mechanical Engineers Salary in St. Louis, MO-IL

BLS Occupational Employment & Wage Statistics • May 2025 • St. Louis, MO-IL

Median annual salary $86,390 -15.6% vs national
Median hourly $41.53
10th percentile $62,810
90th percentile $132,500
Employed locally 1,730
National median $102,320

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Mechanical Engineers
in
St. Louis, MO-IL
vs

    Salary percentile breakdown

    10th
    $62,810
    25th
    $76,960
    50th (median)
    $86,390
    75th
    $107,420
    90th
    $132,500

    St. Louis economic context

    Unemployment rate 3.70% 2024 annual avg • BLS LAUS
    Median household income $78,225 2023 • Census ACS
    Mechanical Engineers salary vs area income 110% Median Mechanical Engineers salary is 10% above the area median household income

    Frequently asked questions

    How much do Mechanical Engineers make per hour in St. Louis?

    The median hourly wage for Mechanical Engineers in St. Louis, MO-IL is $41.53, based on BLS OEWS 2025 data. Top earners (90th percentile) make $71.66 or more per hour.

    Is St. Louis above or below average for Mechanical Engineers salaries?

    The median Mechanical Engineers salary in St. Louis, MO-IL is 15.6% below the national median of $102,320. The national figure is from BLS OEWS 2025 data covering all US metropolitan areas.

    What is the entry-level salary for Mechanical Engineers in St. Louis?

    Entry-level Mechanical Engineers (10th percentile) earn around $62,810 per year in St. Louis, MO-IL. The 25th percentile — typically workers with 1–3 years of experience — earn approximately $76,960.