Highest salary at Sewanhaka Csd in year 2017 was $154,619. Number of employees at Sewanhaka Csd in year 2017 was 380. Average annual salary was $38,322 and median salary was $42,599. Sewanhaka Csd average salary is 18 percent lower than USA average and median salary is 2 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 5.5 percent, the median salary increased 7.0 percent.