Supervisor/Director salary at Mercer Island

The average supervisor/director salary at Mercer Island was $113,271 , which is 12 percent lower than the average salary for this job in Washington, and 12 percent lower than the national average for this job . Supervisor/Director salaries at Mercer Island typically range from $106,299 to $124,558 (25th to 75th percentile). The highest reported supervisor/director salary was $136,946. There are 6 employees at Mercer Island with the job title supervisor/director.