Highest salary at Town of Derry in year 2021 was $202,409. Number of employees at Town of Derry in year 2021 was 262. Average annual salary was $76,503 and median salary was $73,691. Town of Derry average salary is 63 percent higher than USA average and median salary is 69 percent higher than USA median salary. From 2020 to 2021, the average salary of employees at this employer increased 2.9 percent, the median salary increased 0.7 percent.