Plant Operator salary at Mariposa County

The average plant operator salary at Mariposa County was $100,298 , which is 25 percent lower than the average salary for this job in California, but 65 percent higher than the national average for this job . Plant Operator salaries at Mariposa County typically range from $99,110 to $101,486 (25th to 75th percentile). The highest reported plant operator salary was $101,486. There are 2 employees at Mariposa County with the job title plant operator.