Mechanical Engineer · Missouri · SOC 17-2141
Mechanical Engineers in Missouri: 2026 Salary, Real Wage, and Cost-Adjusted Pay
BLS Occupational Employment and Wage Statistics, 2024 reference period · BEA Regional Price Parity 2023 vintage · Last synced 2026-05-05.
TL;DR
- Headline Mechanical Engineer pay in Missouri is $91,890. Real take-home, after the state's cost-of-living index, lands at $100,863.
- Below-100 RPP flips this state above its nominal rank in real-wage terms; the gap is about $8,973.
- Bottom quartile $77,040, top quartile $108,270. The P90 ($131,750) is roughly 2.1× the P10 ($63,210).
- Mechanical Engineer ranking: #44 on the BLS table, #37 once cost of living is in.
Wage breakdown — Missouri
| Percentile | Nominal (BLS) | Real (BEA RPP-adjusted) |
|---|---|---|
| P10 (entry tier) | $63,210 | $69,382 |
| P25 (lower quartile) | $77,040 | $84,563 |
| P50 (median) | $91,890 | $100,863 |
| P75 (upper quartile) | $108,270 | $118,842 |
| P90 (top tier) | $131,750 | $144,615 |
| Mean | $95,250 | $104,551 |
| Employment | 3,950 Mechanical Engineers in Missouri | |
Cost of living — BEA Regional Price Parity
| Component | Missouri index (US = 100) |
|---|---|
| All-items RPP | 91.1 |
| Goods | 97.3 |
| Services | 85.6 |
| Rents | 70.5 |
Missouri sits below the national baseline (RPP 91.1), so nominal pay translates to a higher real wage than the BLS median suggests — particularly visible in rents at 70.5.
After-tax take-home — Missouri (2024 BLS · 2024 tax year, single filer)
Layer-by-layer take-home math at the BLS median
| Layer | Amount | Note |
|---|---|---|
| Gross BLS P50 (Mechanical Engineer) | $91,890 | nominal median |
| Federal income tax | −$11,463 | 12.5% effective; std deduction $15,750 applied |
| State income tax | −$3,633 | 0–4.95% (graduated) |
| FICA (SS 6.2% + Medicare 1.45%) | −$7,030 | SS capped at $183,600 wage base |
| Take-home (after-tax) | $69,765 | 75.9% of gross |
| Real take-home (RPP-adjusted) | $76,577 | ÷ (91.1 / 100) BEA cost-of-living |
What the Missouri state-tax burden means for Mechanical Engineer take-home
Mid-band state-tax burden at 4.0% effective. Combined with federal and FICA, take-home is $69,765 (75.9% of gross). After the 91.1 RPP, real take-home is $76,577.
Computed from 2026 IRS federal brackets (Rev. Proc. 2025-32), 2026 state DOR brackets, and 2026 FICA rates. Single filer, standard deduction, no other adjustments. See methodology · tax for limitations (married filers, ITM/SALT itemizers, retirement deferrals, HSA, dependent credits, etc.).
National context
Across the United States, BLS reports a national median of $102,320 for Mechanical Engineers with mean pay of $110,080 and total employment of 286,760. Missouri sits at #44 on nominal pay and #37 on real (cost-adjusted) pay among the 51 states and DC. After cost adjustment, Missouri climbs 7 positions — the cost of living is favorable relative to the wage.
Frequently asked questions
- How much does a Mechanical Engineer make in Missouri?
- BLS reports a median annual wage of $91,890 for Mechanical Engineers in Missouri as of the latest OES release. That is the 50th-percentile figure — half earn more, half earn less. The 25th-percentile is $77,040 and the 75th-percentile is $108,270.
- What is the real (cost-adjusted) Mechanical Engineer salary in Missouri?
- After BEA RPP adjustment (regional price parity index 91.1 for Missouri), the real-wage equivalent is $100,863 — what the $91,890 nominal salary actually buys. Quartiles in real terms: $84,563 to $118,842.
- How many Mechanical Engineers does Missouri employ?
- BLS OES counts 3,950 Mechanical Engineers employed in Missouri in the most recent release. Employment density relative to population determines whether wage tiers reflect a robust competitive market or a thinner labor pool.
- Where does Missouri rank for Mechanical Engineer pay?
- On nominal BLS wages alone, Missouri ranks among the 51 states and DC by median pay. After the BEA cost-of-living adjustment the ordering changes — high-cost states fall, low-cost states rise. Both rankings are shown in the data table on this page.
- How wide is the wage spread in Missouri?
- P10 to P90 spans $63,210 to $131,750. That spread captures entry-level to top-quartile pay, including specialty differentials and metro-area variance within the state.
- What are the limits of these Mechanical Engineer salary numbers?
- BLS OES is an employer survey of W-2 wages — it excludes contractor pay, bonuses outside the base wage definition, equity compensation, and tip income. Self-employed practitioners and gig workers are not represented. For occupations with significant non-W-2 income, the BLS figure is a floor, not a complete picture.
- BS vs MS in mechanical engineering — does the master's pay back in Missouri?
- MS-ME in Missouri adds roughly $8-15K to starting pay versus BS-only and shortens the path into specialty roles (CFD, FEA, controls, robotics). The 1.5-2 year tuition + foregone earnings opportunity cost typically breaks even 6-9 years out. PhD-MechE only pays back inside research-heavy positions (national labs, R&D-heavy primes) and largely doesn't lift the BLS-tracked engineering-staff wage in standard industry roles.
Sources & methodology
- U.S. Bureau of Labor Statistics — Occupational Employment and Wage Statistics (OES), SOC 17-2141, 2024 reference period.
- U.S. Bureau of Economic Analysis — Regional Price Parities, 2023 vintage (all-items, goods, services, rents).
- Real-wage figures = nominal BLS wage ÷ (state RPP / 100).
- See the methodology page for full computation details and limitations.
Cross-comparison: see how Missouri Mechanical Engineer pay ranks against the other 254 state × occupation pages on the Real Wage Atlas → — four-way ranking by real wage, after-tax take-home, state-tax savings, and cost-of-living arbitrage.