Highest salary at Wallkill in year 2014 was $112,724. Number of employees at Wallkill in year 2014 was 149. Average annual salary was $51,987 and median salary was $50,560. Wallkill average salary is 11 percent higher than USA average and median salary is 16 percent higher than USA median salary. From 2013 to 2014, the average salary of employees at this employer increased 8.4 percent, the median salary increased 5.7 percent.