The average administrative aide salary at Norco was $17,819 , which is 80 percent lower than the average salary for this job in California, and 67 percent lower than the national average for this job . Administrative Aide salaries at Norco typically range from $11,846 to $23,792 (25th to 75th percentile). The highest reported administrative aide salary was $26,307. There are 8 employees at Norco with the job title administrative aide.