Highest salary at Cornwall in year 2014 was $114,107. Number of employees at Cornwall in year 2014 was 76. Average annual salary was $39,148 and median salary was $42,127. Cornwall average salary is 16 percent lower than USA average and median salary is 3 percent lower than USA median salary. From 2013 to 2014, the average salary of employees at this employer increased 4.2 percent.