Highest salary at Middletown in year 2011 was $190,805. Number of employees at Middletown in year 2011 was 269. Average annual salary was $58,694 and median salary was $57,626. Middletown average salary is 25 percent higher than USA average and median salary is 33 percent higher than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 3.1 percent, the median salary increased 6.4 percent.