Highest salary at Middletown in year 2012 was $186,080. Number of employees at Middletown in year 2012 was 263. Average annual salary was $59,963 and median salary was $59,316. Middletown average salary is 28 percent higher than USA average and median salary is 36 percent higher than USA median salary. From 2011 to 2012, the average salary of employees at this employer increased 2.2 percent, the median salary increased 2.9 percent.