Highest salary at City of Trenton in year 2019 was $82,534. Number of employees at City of Trenton in year 2019 was 20. Average annual salary was $46,831 and median salary was $47,486. City of Trenton average salary is the same as USA average and median salary is 9 percent higher than USA median salary. From 2018 to 2019, the average salary of employees at this employer increased 6.2 percent.