Average Mechanical Engineer Salary in Washington, DC

The average Mechanical Engineer in Washington, DC earns $124,450 per year. See how this compares to the national average and what it means for your budget.

Average Salary
$124450
Median Salary
$116470
vs. National
18.3% above
Real Pay (COL-adjusted)
$114296

“Real pay” adjusts the average for Washington’s cost of living (Regional Price Parity 108.884, U.S. average = 100) — what this salary is worth in national-average dollars.

What Mechanical Engineers actually earn in Washington

The spread from entry-level (10th percentile) to top earners (90th), from BLS wage data.

10th (entry) $79920
25th $95740
Median $116470
75th $147530
90th (top) $177610

4290 Mechanical Engineers employed in the Washington metro.

Can a Mechanical Engineer afford a home in Washington?

Max home price under the 28% rule (housing ≤ 28% of gross), 10% down, 6.7% 30-yr rate. Median Washington home: $724600.

Earnings levelSalaryMax homeMedian home?
Entry (10th)$79920$32110244%
Median$116470$46795265%
Top (90th)$177610$71360098%

What’s this salary worth in another city?

What you earn (or want to compare)

Take-home pay for a Mechanical Engineer in Washington

Estimated pay after federal, FICA, and DC state taxes (2026). Prefilled with the local average — adjust for your situation.

Estimate only — not tax advice. Tax year 2026, federal + FICA + state (single or married filing jointly). Excludes local/city income taxes (e.g., NYC, Philadelphia) and individual credits. See our methodology.

Washington at a glance

Population672079
Median household income$106287
Median home value$724600
Median rent$1900/mo
Cost of living (RPP, U.S.=100)108.884
Metro unemployment4.3%
Bachelor’s degree or higher26.1%
Poverty rate14%

In Washington, DC, Mechanical Engineers earn a median of $116,470 a year — about 11% above the U.S. median of $105,220. Among the 50 metros tracked here for this role, that ranks #8.

What that pay is worth in Washington

Local prices run 109 on the BEA cost-of-living index (U.S. = 100), so a $124,450 salary buys less than it looks — about $114,296 in national-average buying power.

Can Mechanical Engineers afford a home in Washington?

A typical Washington home runs about $724,600 — 5.8 times the average Mechanical Engineer salary, a stretch against the classic 3x rule of thumb. Median rent near $1,900/mo takes roughly 18% of gross pay — within the 30% comfort line.

The Mechanical Engineer pay ladder in Washington

Entry-level (10th percentile) Mechanical Engineers earn about $79,920; the top 10% reach $177,610 — a $97,690 spread, wide for this field. Most of that gap comes down to experience, employer, and how hard you negotiate.

The Mechanical Engineer job market in Washington

Washington employs roughly 4,290 Mechanical Engineers. Metro unemployment sits near 4.3%, a fairly balanced hiring market.

Compare Washington with other cities

See the full Mechanical Engineer salary by city ranking to weigh Washington against the other metros on both pay and cost-adjusted value, or use the cost-of-living calculator to compare any two cities directly.

Frequently asked questions

How much do Mechanical Engineers make in Washington?

The average Mechanical Engineer in Washington, DC earns about $124,450 per year, 18.3% above the national average of $105,220.

What is the take-home pay for Mechanical Engineers in Washington after taxes?

After federal and DC taxes, this $124,450 salary is worth about $88,717 a year - roughly $7,393 a month in take-home pay, an effective tax rate near 29%.

What do the highest-paid Mechanical Engineers earn in Washington?

The top 10% of Mechanical Engineers in Washington earn about $177,610 a year, versus about $79,920 for the bottom 10%.

Can Mechanical Engineers afford a home in Washington?

A typical Washington home runs about $724,600 - roughly 5.8x this salary, a stretch by the 3x rule, so budgeting discipline matters.

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