Highest salary at Oswego Township in year 2020 was $111,837. Number of employees at Oswego Township in year 2020 was 15. Average annual salary was $65,264 and median salary was $68,789. Oswego Township average salary is 39 percent higher than USA average and median salary is 58 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 13.5 percent, the median salary increased 14.5 percent.