Highest salary at Colchester in year 2011 was $46,247. Number of employees at Colchester in year 2011 was 23. Average annual salary was $28,489 and median salary was $35,248. Colchester average salary is 39 percent lower than USA average and median salary is 19 percent lower than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 15.3 percent, the median salary increased 7.8 percent.