Highest salary at Dupage Township in year 2020 was $99,000. Number of employees at Dupage Township in year 2020 was 24. Average annual salary was $43,301 and median salary was $46,457. Dupage Township average salary is 8 percent lower than USA average and median salary is 7 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 6.8 percent, the median salary increased 3.0 percent.