Grant Administrator salary at King County

The average grant administrator salary at King County was $112,853 , which is 18 percent higher than the average salary for this job in Washington, and 134 percent higher than the national average for this job . Grant Administrator salaries at King County typically range from $112,454 to $128,247 (25th to 75th percentile). The highest reported grant administrator salary was $138,325. There are 10 employees at King County with the job title grant administrator.