Highest salary at Cornwall Csd in year 2017 was $129,824. Number of employees at Cornwall Csd in year 2017 was 132. Average annual salary was $36,558 and median salary was $37,027. Cornwall Csd average salary is 22 percent lower than USA average and median salary is 15 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 9.2 percent, the median salary increased 7.6 percent.