Highest salary at Northampton in year 2012 was $66,287. Number of employees at Northampton in year 2012 was 13. Average annual salary was $28,064 and median salary was $27,176. Northampton average salary is 40 percent lower than USA average and median salary is 38 percent lower than USA median salary. From 2011 to 2012, the average salary of employees at this employer increased 1.7 percent, the median salary increased 7.2 percent.