Security Officer salary at King County

The average security officer salary at King County was $72,019 , which is 20 percent higher than the average salary for this job in Washington, and 61 percent higher than the national average for this job . Security Officer salaries at King County typically range from $67,872 to $85,270 (25th to 75th percentile). The highest reported security officer salary was $118,122. There are 43 employees at King County with the job title security officer.