The average aide salary at Tumwater was $21,801 , which is 35 percent lower than the average salary for this job in Washington, and 33 percent lower than the national average for this job . Aide salaries at Tumwater typically range from $20,307 to $23,647 (25th to 75th percentile). The highest reported aide salary was $36,619. There are 125 employees at Tumwater with the job title aide.