Highest salary at Hartwick in year 2014 was $46,552. Number of employees at Hartwick in year 2014 was 16. Average annual salary was $25,095 and median salary was $24,278. Hartwick average salary is 46 percent lower than USA average and median salary is 44 percent lower than USA median salary. From 2013 to 2014, the average salary of employees at this employer increased 9.9 percent, the median salary increased 8.2 percent.