Mechanical Engineer Salary in Webster Groves, MO: $88,091 (2026)
Quick Answer:A full-time mechanical engineer in Webster Groves, MO earns a median $88,091/year (≈ $42.35/hour) in nominal terms for 2026 — projected from BLS OEWS 2025 (SOC 17-2141). Once you factor in Webster Groves's price level (10% below national, BEA RPP 89.6), that paycheck buys what $98,316 would nationally. Nominal pay sits 4.0% below the Missouri state average.
Based on BLS state-level estimates · View source

In Webster Groves, Missouri, mechanical engineers are poised to earn a median annual salary of $88,091 in 2026, a figure notably lower than the national median of $107,150. The local salary range, spanning from $66,451 at the 10th percentile to as high as $128,028 at the 90th percentile, reflects the various factors influencing compensation in the area. These estimates, derived from 2025 BLS data and adjusted for regional cost influences, also highlight a strong demand for engineers with specialized skills. For mechanical engineers targeting positions in HVAC and building systems, achieving a Professional Engineer (PE) license can unlock significant salary premiums, enhancing earning potential and job stability in this sector.
About the Webster Groves Market
Salary estimated from Missouri average ($92,000) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $66,451 | $31.95 |
| Lower Range (P25) | $72,633 | $34.92 |
| Median (P50)(typical) | $88,091 | $42.35 |
| Upper Range (P75) | $107,751 | $51.80 |
| Top Earners (P90) | $128,028 | $61.56 |
Median Salary Position
17.79% below the national average
2026 Salary Percentile Distribution in Webster Groves
In Webster Groves, MO, the mechanical engineer salary spread from the 10th to 90th percentile is $61,577 (2026 est.). At $88,091, the local median is 17.79% below the national median of $107,150.
Salary Calculator
At 40 hours/week in Webster Groves: You'd be in the lower-middle range
How Webster Groves Mechanical Engineer Pay Compares
Webster Groves median: $88,091/year (2026)
| Compared To | Median Salary | Webster Groves Pays |
|---|---|---|
| Missouri Average | $91,762 | -4.00% less |
| National Average | $107,150 | -17.79% less |
Mechanical Engineers in Webster Groves, MO earn a median of $88,091 per year (2026 est.), which is 17.79% lower than the national median of $107,150 and 4.00% below the Missouri state average of $91,762.
Cost-of-Living Adjusted Salary
Webster Groves has a cost of living 10.40% below the national average, meaning your salary goes further here.
Adjusted salary = nominal × (100 / CoL index). CoL index: 100 = national average.
Webster Groves, MO has a cost-of-living index of 89.6 (below the national average of 100). A mechanical engineer earning $88,091 nominally has purchasing power equivalent to $98,316 in an average-cost city — an effective 11.61% boost.
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2019 BLS Actual
$72,701
2025 BLS Actual
$85,592
2026 Current Est.
$88,091
2019–2027 Growth
+24.7%
Salary Trajectory for Mechanical Engineers in Webster Groves (2019–2027)
2019–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 2.92% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2019 | $72,701 | Actual |
| 2020 | $74,123 | Actual |
| 2021 | $78,349 | Actual |
| 2022 | $79,179 | Actual |
| 2023 | $81,810 | Actual |
| 2024 | $79,169 | Actual |
| 2025 | $85,592 | Actual |
| 2026(current) | $88,091 | Estimated |
| 2027 | $90,664 | Projected |
Based on 7 years of BLS OEWS data for the Webster Groves metropolitan area, the median mechanical engineer salary grew 17.7% from $72,701 (2019) to $85,592 (2025). At a 2.92% compound annual growth rate, salaries are projected to reach $90,664 by 2027 — a total increase of $17,963 (24.71%) from 2019.
Note: Historical values (2019–2025) are actual BLS OEWS figures for the Webster Groves 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.
Salary by Experience Level
| Experience | Estimated Salary Range |
|---|---|
| 0-2 years (New Graduate) | $66,451 – $72,633 |
| 3-5 years (Mid Career) | $72,633 – $88,091 |
| 5+ years (Experienced) | $88,091 – $107,751 |
| 10+ years (Top Earner) | $107,751 – $128,028 |
ME, PE salary ranges estimated from BLS percentile data. Individual mechanical engineer compensation varies by employer, certifications, and specialization.
Mechanical Engineer Job Market in Webster Groves
The local job market in Webster Groves consists of six mechanical engineers, indicating a niche but specialized field of employment. With a cost-of-living index at 89.6, mechanical engineers here may find that their salaries afford a reasonable standard of living, though it presents a contrast when compared to more expensive markets. Top employers in Webster Groves—particularly in sectors like HVAC and building systems—tend to offer competitive salaries for candidates who possess PE licensure, signaling an attractive career path with steady job prospects. The disparity in pay reflects the influence of industries, with aerospace firms like SpaceX often commanding higher wages due to their focus on advanced technology and the value of equity compensation. To maximize mechanical engineer pay in Webster Groves, professionals should consider obtaining additional credentials and pursuing roles in sectors with higher compensation potentials, such as aerospace or tech-adjacent firms.
More salary data for Webster Groves, 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
Salary figures on this page are 2026 projections based on the Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey, May 2026 release. The BLS reported a median annual salary of $85,592 for mechanical engineersin the Webster Groves metropolitan area. A 2.92% compound annual growth rate (CAGR), calculated from 6-year national BLS wage trends, was applied to project current 2026 compensation. Percentile ranges (P10–P90) represent the full salary distribution across experience levels and practice settings in this market.
Data Sources & Methodology
Salary data for Webster Groves 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