Highest salary at Guilderland in year 2010 was $133,351. Number of employees at Guilderland in year 2010 was 254. Average annual salary was $45,979 and median salary was $46,136. Guilderland average salary is 2 percent lower than USA average and median salary is 6 percent higher than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 3.1 percent, the median salary increased 2.0 percent.