Mechanical Co-op Engineer Salary in Seattle, WA.
Updated on: Jan 21, 2026
How much does a Mechanical Co-op Engineer make in Seattle, WA?
The average Mechanical Co-op Engineer in Seattle, WA makes $140,544,
51% above the national average Mechanical Co-op Engineer salary of $92,921.
This pay is 16% greater than the combined average salaries of other metroes San Jose, CA, Omaha, NE, and Milwaukee, WI.
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Mechanical Co-op Engineer Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals