Back Office Assistant Salary in Portland, OR.
Updated on: Jan 7, 2026
How much does a Back Office Assistant make in Portland, OR?
The average Back Office Assistant in Portland, OR makes $77,603,
28% above the national average Back Office Assistant salary of $60,751.
This pay is 1% lower than the combined average salaries of other metroes San Jose, CA, Austin, TX, and Virginia Beach, VA.
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*Data is estimated and depends on the generous anonymous contributions of individuals