The average office aide salary at Ventura was $5,671 , which is 80 percent lower than the average salary for this job in California, but 47 percent higher than the national average for this job . Office Aide salaries at Ventura typically range from $5,367 to $6,694 (25th to 75th percentile). The highest reported office aide salary was $7,324. There are 7 employees at Ventura with the job title office aide.