Firefighter salary at City of Mercer Island

The average firefighter salary at City of Mercer Island was $155,794 , which is 42 percent higher than the average salary for this job in Washington, and 53 percent higher than the national average for this job . Firefighter salaries at City of Mercer Island typically range from $139,943 to $175,761 (25th to 75th percentile). The highest reported firefighter salary was $209,921. There are 19 employees at City of Mercer Island with the job title firefighter.