Highest salary at Middleport in year 2012 was $63,003. Number of employees at Middleport in year 2012 was 15. Average annual salary was $33,773 and median salary was $41,183. Middleport average salary is 28 percent lower than USA average and median salary is 5 percent lower than USA median salary. From 2011 to 2012, the average salary of employees at this employer increased 10.5 percent, the median salary increased 6.0 percent.