Highest salary at Philadelphia in year 2011 was $60,079. Number of employees at Philadelphia in year 2011 was 19. Average annual salary was $29,769 and median salary was $29,483. Philadelphia average salary is 36 percent lower than USA average and median salary is 32 percent lower than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 9.3 percent, the median salary increased 8.9 percent.