The average aide salary at Prescott was $23,725 , which is 29 percent lower than the average salary for this job in Washington, and 27 percent lower than the national average for this job . Aide salaries at Prescott typically range from $23,170 to $24,779 (25th to 75th percentile). The highest reported aide salary was $25,329. There are 8 employees at Prescott with the job title aide.