Office Assistant Senior salary at Thurston County

The average office assistant senior salary at Thurston County was $32,074 , which is 23 percent lower than the average salary for this job in Washington, and 10 percent lower than the national average for this job . Office Assistant Senior salaries at Thurston County typically range from $11,112 to $50,805 (25th to 75th percentile). The highest reported office assistant senior salary was $62,774. There are 6 employees at Thurston County with the job title office assistant senior.