Highest Cornwall employee salary in year 2022 was $156,163. Cornwall employees number in year 2022 was 133. Cornwall average salary was $39,137 and median salary was $38,111. According to the last payroll, Cornwall average salary is 48 percent lower than USA average and 33 percent lower than New York state average. Cornwall employee salaries are usually between $5,320 and $60,553. Top 10% of highest-earning employees have salaries ranging from $92,822 to $156,163.