Highest salary at New Castle in year 2010 was $170,773. Number of employees at New Castle in year 2010 was 142. Average annual salary was $78,732 and median salary was $79,861. New Castle average salary is 68 percent higher than USA average and median salary is 84 percent higher than USA median salary. From 2009 to 2010, the median salary increased 0.0 percent.