The average aide salary at Riverside was $19,787 , which is 41 percent lower than the average salary for this job in Washington, and 39 percent lower than the national average for this job . Aide salaries at Riverside typically range from $15,842 to $23,936 (25th to 75th percentile). The highest reported aide salary was $36,261. There are 51 employees at Riverside with the job title aide.