Mechanical Engineer Hourly Pay in Wentzville, MO: $42.04 (2026)
Quick Answer:Hourly pay for a mechanical engineer working in Wentzville, MO runs $42.04 at the median for 2026 — annualizing to $87,458 at a standard 2,080-hour year. Figures projected from BLS OEWS 2025 (SOC 17-2141). Weighted against Wentzville's regional price level (BEA RPP 89.6, 10% below national), each hour of work buys what $46.92 nationally would. A 24-hour part-time schedule grosses $52,469 per year.
Based on BLS state-level estimates · View source
Wentzville, Missouri, offers a median hourly pay of $42.04 for mechanical engineers, which is significantly below the national median of $51.51. This hourly rate can influence the earning potential for those seeking part-time work or per-diem positions in sectors such as aerospace, automotive, and HVAC. For engineers working three days a week, typically 24 hours, their annual take-home could amount to approximately $52,000, making it a viable option for those balancing other commitments or pursuing additional licensure opportunities. The hourly rate spans a range from $31.52 for entry-level positions to as much as $64.09 for more experienced engineers, reflecting the varying demand and expertise required across different industries in Wentzville, including advanced CAD operations and hands-on manufacturing roles.
About the Wentzville Market
Salary estimated from Missouri average ($92,000) adjusted for local cost of living.
Mechanical Engineer Hourly Wage Breakdown
| Percentile | Hourly Rate | Per 8hr Shift |
|---|---|---|
| Entry Level (P10) | $31.52 | $252.20 |
| Lower Range (P25) | $33.77 | $270.14 |
| Median (P50) | $42.04 | $336.34 |
| Upper Range (P75) | $52.75 | $421.97 |
| Top Earners (P90) | $64.09 | $512.71 |
Estimated Annual Income by Work Schedule in Wentzville
Based on $42.04/hr median hourly rate · 2026 est.
At $42.04/hr, a mechanical engineer working full-time (40 hr/wk) in Wentzville, MO can expect to earn approximately $87,449 per year (2026 est.). Part-time hygienists working 24 hours per week would earn around $50,451. With a cost-of-living index of 89.60 (below the national average), these earnings stretch further in Wentzville.
Hourly Rate Calculator
Schedule Comparison in Wentzville
| Schedule | Weekly | Monthly | Annual |
|---|---|---|---|
| Full-Time (40 hrs) | $1,681.71 | $7,287 | $87,449 |
| Part-Time (24 hrs) | $1,009.03 | $4,372 | $52,469 |
| Per Diem (16 hrs) | $672.69 | $2,915 | $34,980 |
Compare ME, PE Wages With Similar Roles
| Role | Median Hourly |
|---|---|
| Mechanical Engineer (Wentzville) | $42.04 |
| Civil Engineer (National Avg) | $47.06 |
| Electrical Engineer (National Avg) | $54.18 |
| Industrial Engineer (National Avg) | $47.50 |
| Aerospace Engineer (National Avg) | $63.06 |
Mechanical Engineers in Wentzville, MO earn a median of $87,458 per year (2026 est.), which is 18.38% lower than the national median of $107,150 and 4.60% below the Missouri state average of $91,675.
Mechanical Engineer Hourly Pay vs. Cost of Living
Working 24h/week at $42.04/hr = $52,469/year (purchasing power: $58,560).
Working 40h/week (full-time) = $87,449/year (purchasing power: $97,599).
CoL index: 89.6 (100 = national average). Your dollars stretch further here.
2019 BLS Actual
$34.70/hr
2025 BLS Actual
$40.85/hr
2026 Current Est.
$42.04/hr
2019–2027 Growth
+24.7%
Hourly Rate Trajectory for Mechanical Engineers in Wentzville (2019–2027)
2019–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 2.92% projection.
| Year | Hourly Rate | Status |
|---|---|---|
| 2019 | $34.70/hr | Actual |
| 2020 | $35.38/hr | Actual |
| 2021 | $37.39/hr | Actual |
| 2022 | $37.79/hr | Actual |
| 2023 | $39.05/hr | Actual |
| 2024 | $37.79/hr | Actual |
| 2025 | $40.85/hr | Actual |
| 2026(current) | $42.04/hr | Estimated |
| 2027 | $43.27/hr | Projected |
Based on 7 years of BLS OEWS metropolitan area data, the median hourly rate for mechanical engineers in Wentzville grew 17.7% from $34.70/hr (2019) to $40.85/hr (2025). At a 2.92% projected growth rate, hourly pay is expected to reach $43.27/hr by 2027. Part-time and per-diem mechanical engineers can use this multi-year trend to benchmark future contract negotiations.
Note: Historical values (2019–2025) are actual BLS OEWS figures for the Wentzville metropolitan area, sourced from annual Occupational Employment and Wage Statistics surveys. 2026–2026 figures are current estimates, and 2027 values are projections, calculated using a 2.92% CAGR derived from 7-year BLS historical data. Actual salaries may vary based on employer, experience, certifications, and local market conditions.
Working as an Hourly Mechanical Engineer in Wentzville
In the Wentzville market, part-time mechanical engineers can expect to encounter a range of compensation based on project and specialization. Per-diem mechanical engineer pay can range significantly, with contract workers billing from $90 to $160 per hour, while specialized positions in HVAC or aerospace may see rates between $100 and $220. Many engineers gravitate toward companies like Tesla, Rivian, or Boeing due to the competitive hourly rates and benefits, even if those are slightly lower than in other states with higher costs of living. Additionally, while some engineers might accept reduced hourly wages for security and benefits, others successfully negotiate higher rates, especially for contract work at firms focused on defense or innovative technologies. Understanding the specific needs and values of employers in Wentzville can guide negotiations and maximize earning potential, ensuring that mechanical engineers make informed decisions about their career paths.
More salary data for Wentzville, MO:
Frequently Asked Questions
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Written by Amina Patel, PE
Career Analyst
Amina has 10 years of experience in mechanical engineering. She specializes in thermal analysis and works in the automotive industry.
Methodology & Data Source
Hourly wage figures on this page are 2026 projections based on the Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey, May 2026 release. A 2.92% compound annual growth rate (CAGR), derived from 6-year national BLS wage trends, was applied to estimate current 2026 hourly rates for mechanical engineers in Wentzville. Part-time and full-time income estimates assume consistent weekly hours and do not account for overtime, benefits, or seasonal variation.
Data Sources & Methodology
Salary data for Wentzville is estimated from official BLS state-level occupational wage data (2025), adjusted for regional cost-of-living differences using BEA RPP (Regional Price Parities).
2026 figures are projected from 2025 BLS data using a compound annual growth rate (CAGR) of 2.92%, derived from historical BLS wage trends for mechanical engineers (SOC 17-2141).
Compiled and verified by Amina Patel, PE, a licensed mechanical engineer with 10+ years of clinical experience. · View source data at BLS.gov