Highest Guilderland employee salary in year 2022 was $174,585. Guilderland employees number in year 2022 was 322. Guilderland average salary was $45,353 and median salary was $45,866. According to the last payroll, Guilderland average salary is 39 percent lower than USA average and 22 percent lower than New York state average. Guilderland employee salaries are usually between $13,991 and $66,352. Top 10% of highest-earning employees have salaries ranging from $86,092 to $174,585.