Administrative Specialist salary at King County

The average administrative specialist salary at King County was $54,479 , which is 4 percent lower than the average salary for this job in Washington, but 6 percent higher than the national average for this job . Administrative Specialist salaries at King County typically range from $41,824 to $67,942 (25th to 75th percentile). The highest reported administrative specialist salary was $109,573. There are 687 employees at King County with the job title administrative specialist.