Highest salary at Wilmington in year 2010 was $39,663. Number of employees at Wilmington in year 2010 was 18. Average annual salary was $22,110 and median salary was $26,622. Wilmington average salary is 53 percent lower than USA average and median salary is 39 percent lower than USA median salary. From 2009 to 2010, the median salary increased 27.0 percent.