The average aide salary at Granger was $20,436 , which is 39 percent lower than the average salary for this job in Washington, and 37 percent lower than the national average for this job . Aide salaries at Granger typically range from $18,478 to $21,190 (25th to 75th percentile). The highest reported aide salary was $36,632. There are 48 employees at Granger with the job title aide.