Highest Quincy employee salary in year 2017 was $166,015. Quincy employees number in year 2017 was 428. Quincy average salary was $44,383 and median salary was $40,647. According to the last payroll, Quincy average salary is 41 percent lower than USA average and 41 percent lower than Washington state average. Quincy employee salaries are usually between $19,260 and $66,238. Top 10% of highest-earning employees have salaries ranging from $82,623 to $166,015. From 2016 to 2017, the median salary increased 1.6 percent.