The average aide salary at Sprague was $18,187 , 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 Sprague typically range from $12,017 to $21,733 (25th to 75th percentile). The highest reported aide salary was $21,733. There are 4 employees at Sprague with the job title aide.