Highest salary at Oswego in year 2011 was $148,037. Number of employees at Oswego in year 2011 was 1,285. Average annual salary was $41,875 and median salary was $42,188. Oswego average salary is 11 percent lower than USA average and median salary is 3 percent lower than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 3.3 percent, the median salary increased 2.4 percent.