The average chief salary at King County was $203,286 , which is 40 percent higher than the average salary for this job in Washington, and 43 percent higher than the national average for this job . Chief salaries at King County typically range from $172,399 to $234,172 (25th to 75th percentile). The highest reported chief salary was $240,589. There are 4 employees at King County with the job title chief.