Highest salary at Dupage Township in year 2017 was $83,050. Number of employees at Dupage Township in year 2017 was 26. Average annual salary was $42,216 and median salary was $43,884. Dupage Township average salary is 10 percent lower than USA average and median salary is 1 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 15.0 percent, the median salary increased 31.2 percent.