Plant Operations Assistant Salary in Portland, ME.
Updated on: Jun 17, 2026
How much does a Plant Operations Assistant make in Portland, ME?
The average Plant Operations Assistant in Portland, ME makes $59,870,
13% above the national average Plant Operations Assistant salary of $52,840.
This pay is 9% lower than the combined average salaries of other metroes San Jose, CA, Oklahoma City, OK, and Indianapolis, IN.
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Plant Operations Assistant Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals