How much does a Mechanical Engineer make in Washington?

BLS reports a median annual wage of $109,370 for Mechanical Engineers in Washington as of the latest OES release. That is the 50th-percentile figure — half earn more, half earn less. The 25th-percentile is $94,790 and the 75th-percentile is $138,560.

Where does Washington rank for Mechanical Engineer pay?

On nominal BLS wages alone, Washington 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 Washington?

P10 to P90 spans $79,820 to $163,790. That spread captures entry-level to top-quartile pay, including specialty differentials and metro-area variance within the state.

Is Washington a 'real-wage arbitrage' state for Mechanical Engineers?

No — Washington's RPP is close to the national 100 baseline, so nominal and real wages move roughly together. Neither an arbitrage nor a penalty 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.

Should I negotiate based on the BLS median for Washington?

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 Washington.

BS vs MS in mechanical engineering — does the master's pay back in Washington?

MS-ME in Washington 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.

Washington Mechanical Engineer Salary: BLS $109K Median, Real $101K (2026)

TL;DR

Washington pays Mechanical Engineers a BLS median of $109,370 — the more useful number is $100,923, what that paycheck buys after rent and services.
Cost adjustment is small — neither an arbitrage state nor a high-cost penalty.
P25-P75 spread runs $94,790 to $138,560; P10 floor $79,820, P90 ceiling $163,790.
On a real-wage basis, this state sits at #36 of 51; nominal rank is #10.

Wage breakdown — Washington

Percentile	Nominal (BLS)	Real (BEA RPP-adjusted)
P10 (entry tier)	$79,820	$73,655
P25 (lower quartile)	$94,790	$87,469
P50 (median)	$109,370	$100,923
P75 (upper quartile)	$138,560	$127,858
P90 (top tier)	$163,790	$151,140
Mean	$118,750	$109,578
Employment	9,350 Mechanical Engineers in Washington

Cost of living — BEA Regional Price Parity

Component	Washington index (US = 100)
All-items RPP	108.4
Goods	106.9
Services	84.0
Rents	125.5

Washington is a high-cost state — RPP 108.4 above the national 100 baseline. Most of the cost premium routes through rents (125.5) and services (84.0).

After-tax take-home — Washington (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)	$109,370	nominal median
Federal income tax	−$15,308	14.0% effective; std deduction $15,750 applied
State income tax	$0	no state income tax (capital gains tax above $262K)
FICA (SS 6.2% + Medicare 1.45%)	−$8,367	SS capped at $183,600 wage base
Take-home (after-tax)	$85,695	78.4% of gross
Real take-home (RPP-adjusted)	$79,076	÷ (108.4 / 100) BEA cost-of-living

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

Washington levies no state income tax on wages, which is worth roughly $5,469 a year for a Mechanical Engineer at the BLS median compared with the national-average state burden (≈5%). After cost of living, real take-home is $79,076 — lower than the nominal after-tax figure because RPP exceeds 100.

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. Washington sits at #10 on nominal pay and #36 on real (cost-adjusted) pay among the 51 states and DC. After cost adjustment, Washington falls 26 positions — the cost premium eats into the headline wage.

Frequently asked questions

How much does a Mechanical Engineer make in Washington?: BLS reports a median annual wage of $109,370 for Mechanical Engineers in Washington as of the latest OES release. That is the 50th-percentile figure — half earn more, half earn less. The 25th-percentile is $94,790 and the 75th-percentile is $138,560.
Where does Washington rank for Mechanical Engineer pay?: On nominal BLS wages alone, Washington 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 Washington?: P10 to P90 spans $79,820 to $163,790. That spread captures entry-level to top-quartile pay, including specialty differentials and metro-area variance within the state.
Is Washington a 'real-wage arbitrage' state for Mechanical Engineers?: No — Washington's RPP is close to the national 100 baseline, so nominal and real wages move roughly together. Neither an arbitrage nor a penalty 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.
Should I negotiate based on the BLS median for Washington?: 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 Washington.
BS vs MS in mechanical engineering — does the master's pay back in Washington?: MS-ME in Washington 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.

By Marcus Liang · Founder & Editor · Last synced 2026-05-05.

Cross-comparison: see how Washington 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.