Highest salary at City of Trenton in year 2020 was $85,231. Number of employees at City of Trenton in year 2020 was 18. Average annual salary was $53,453 and median salary was $54,825. City of Trenton average salary is 14 percent higher than USA average and median salary is 26 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 14.1 percent, the median salary increased 15.5 percent.