Highest salary at Bolton Csd in year 2018 was $102,979. Number of employees at Bolton Csd in year 2018 was 27. Average annual salary was $32,321 and median salary was $28,482. Bolton Csd average salary is 31 percent lower than USA average and median salary is 35 percent lower than USA median salary. From 2017 to 2018, the median salary increased 3.7 percent.