Administrative Assistant salary at Boone County

The average administrative assistant salary at Boone County was $37,041 , which is 7 percent higher than the average salary for this job in Missouri, but 51 percent lower than the national average for this job . Administrative Assistant salaries at Boone County typically range from $33,530 to $39,416 (25th to 75th percentile). The highest reported administrative assistant salary was $49,754. There are 5 employees at Boone County with the job title administrative assistant.