Highest salary at City of Seneca in year 2021 was $60,200. Number of employees at City of Seneca in year 2021 was 12. Average annual salary was $41,074 and median salary was $40,175. City of Seneca average salary is 12 percent lower than USA average and median salary is 8 percent lower than USA median salary. From 2020 to 2021, the average salary of employees at this employer increased 24.1 percent, the median salary increased 25.3 percent.