Highest salary at Oswego Township in year 2018 was $85,980. Number of employees at Oswego Township in year 2018 was 16. Average annual salary was $59,128 and median salary was $67,212. Oswego Township average salary is 26 percent higher than USA average and median salary is 55 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 7.9 percent, the median salary increased 8.7 percent.