The average aide salary at Ephrata was $21,410 , which is 36 percent lower than the average salary for this job in Washington, and 34 percent lower than the national average for this job . Aide salaries at Ephrata typically range from $19,161 to $23,649 (25th to 75th percentile). The highest reported aide salary was $32,426. There are 73 employees at Ephrata with the job title aide.