Highest salary at Middletown in year 2014 was $199,185. Number of employees at Middletown in year 2014 was 267. Average annual salary was $65,164 and median salary was $64,760. Middletown average salary is 39 percent higher than USA average and median salary is 49 percent higher than USA median salary. From 2013 to 2014, the median salary increased 8.9 percent.