The average aide salary at Rosalia was $18,251 , which is 45 percent lower than the average salary for this job in Washington, and 44 percent lower than the national average for this job . Aide salaries at Rosalia typically range from $13,751 to $21,061 (25th to 75th percentile). The highest reported aide salary was $28,718. There are 8 employees at Rosalia with the job title aide.