Payroll Administrator salary at St. Louis County

The average payroll administrator salary at St. Louis County was $46,421 , which is 34 percent lower than the average salary for this job in Missouri, and 23 percent lower than the national average for this job . Payroll Administrator salaries at St. Louis County typically range from $44,234 to $48,608 (25th to 75th percentile). The highest reported payroll administrator salary was $48,608. There are 2 employees at St. Louis County with the job title payroll administrator.