Mechanical Design Engineer IV Salary in District of Columbia

How much does a Mechanical Design Engineer IV make in District of Columbia?

As of August 01, 2026, the average salary for a Mechanical Design Engineer IV in District of Columbia is $142,990 per year, which breaks down to an hourly rate of $69.

However, a Mechanical Design Engineer IV's salary can vary significantly. Here’s a look at the typical salary range:

• Top Earners (90th percentile): $160,184
• Majority Range (25th-75th percentile): $134,390 to $151,990
• Entry-Level (10th percentile): $126,560