Highest salary at City Of Trenton in year 2017 was $84,269. Number of employees at City Of Trenton in year 2017 was 21. Average annual salary was $40,389 and median salary was $39,569. City Of Trenton average salary is 14 percent lower than USA average and median salary is 9 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 1.4 percent.