Highest salary at Derby in year 2017 was $176,152. Number of employees at Derby in year 2017 was 519. Average annual salary was $56,222 and median salary was $54,823. Derby average salary is 20 percent higher than USA average and median salary is 26 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 2.2 percent.