TL;DR

  • BLS reports Delaware Mechanical Engineer median pay at $106,020. Adjusted for state cost of living, real purchasing power equals $107,352.
  • Cost of living tracks roughly with the national index, so nominal and real wages stay close.
  • Bottom quartile $86,930, top quartile $138,750. The P90 ($172,340) is roughly 2.2× the P10 ($76,950).
  • State ranks #15 nationally on nominal wage, #20 on real (RPP-adjusted) wage.

Wage breakdown — Delaware

Percentile Nominal (BLS) Real (BEA RPP-adjusted)
P10 (entry tier)$76,950$77,917
P25 (lower quartile)$86,930$88,022
P50 (median)$106,020$107,352
P75 (upper quartile)$138,750$140,494
P90 (top tier)$172,340$174,506
Mean$114,420$115,858
Employment530 Mechanical Engineers in Delaware

Cost of living — BEA Regional Price Parity

ComponentDelaware index (US = 100)
All-items RPP98.8
Goods97.3
Services104.4
Rents98.9

Delaware's overall RPP (98.8) is close to the national 100 baseline; nominal and real wage move roughly together.

After-tax take-home — Delaware (2024 BLS · 2024 tax year, single filer)

Layer-by-layer take-home math at the BLS median

LayerAmountNote
Gross BLS P50 (Mechanical Engineer)$106,020nominal median
Federal income tax−$14,57113.7% effective; std deduction $15,750 applied
State income tax−$5,7662.2–6.6% (graduated)
FICA (SS 6.2% + Medicare 1.45%)−$8,111SS capped at $183,600 wage base
Take-home (after-tax)$77,57273.2% of gross
Real take-home (RPP-adjusted)$78,547÷ (98.8 / 100) BEA cost-of-living

What the Delaware state-tax burden means for Mechanical Engineer take-home

Mid-band state-tax burden at 5.4% effective. Combined with federal and FICA, take-home is $77,572 (73.2% of gross). After the 98.8 RPP, real take-home is $78,547.

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. Delaware sits at #15 on nominal pay and #20 on real (cost-adjusted) pay among the 51 states and DC. After cost adjustment, Delaware falls 5 positions — the cost premium eats into the headline wage.

Frequently asked questions

What is the real (cost-adjusted) Mechanical Engineer salary in Delaware?
After BEA RPP adjustment (regional price parity index 98.8 for Delaware), the real-wage equivalent is $107,352 — what the $106,020 nominal salary actually buys. Quartiles in real terms: $88,022 to $140,494.
How are Delaware Mechanical Engineer salaries calculated on this page?
Nominal wages come from BLS Occupational Employment and Wage Statistics (OES) — annual employer surveys, May 2026 reference period. Real-wage figures use BEA Regional Price Parities (2023 vintage) to adjust for state-level cost of living. No self-report or jobs-board data is mixed in.
Where does Delaware rank for Mechanical Engineer pay?
On nominal BLS wages alone, Delaware 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.
Is Delaware a 'real-wage arbitrage' state for Mechanical Engineers?
No — Delaware's RPP is close to the national 100 baseline, so nominal and real wages move roughly together. Neither an arbitrage nor a penalty state.
Should I negotiate based on the BLS median for Delaware?
The BLS median is a calibration anchor, not a ceiling. Use it to validate that an offer is in-band — anything well below the P25 in this state is a flag, anything above the P75 typically requires demonstrable specialty depth, niche credentials, or a high-COL metro within Delaware.
Defense / aerospace vs auto vs HVAC mechanical engineer pay in Delaware?
BLS does not segment by industry. In {state}, defense and aerospace primes typically lead on base pay with strong total comp once retention/clearance bonuses layer in (often P75-P90 of the BLS band). Automotive and consumer products sit mid-band. HVAC / building-systems mechanical engineering pays below the BLS median for the first 5 years, then catches up via PE-track roles and design-build firm equity.
BS vs MS in mechanical engineering — does the master's pay back in Delaware?
MS-ME in Delaware 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 Delaware 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.