Highest salary at North Castle in year 2011 was $162,431. Number of employees at North Castle in year 2011 was 145. Average annual salary was $75,840 and median salary was $81,502. North Castle average salary is 62 percent higher than USA average and median salary is 87 percent higher than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 4.4 percent, the median salary increased 4.7 percent.