The average aide salary at Quincy was $20,145 , which is 39 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 Quincy typically range from $16,888 to $22,019 (25th to 75th percentile). The highest reported aide salary was $43,456. There are 113 employees at Quincy with the job title aide.