The average aide salary at Yelm was $19,911 , which is 40 percent lower than the average salary for this job in Washington, and 38 percent lower than the national average for this job . Aide salaries at Yelm typically range from $17,056 to $21,906 (25th to 75th percentile). The highest reported aide salary was $39,814. There are 162 employees at Yelm with the job title aide.