Highest salary at Oswego in year 2018 was $123,660. Number of employees at Oswego in year 2018 was 46. Average annual salary was $52,377 and median salary was $50,050. Oswego average salary is 12 percent higher than USA average and median salary is 15 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 0.4 percent, the median salary increased 2.1 percent.