Highest salary at Erwin in year 2010 was $96,728. Number of employees at Erwin in year 2010 was 25. Average annual salary was $45,101 and median salary was $47,929. Erwin average salary is 4 percent lower than USA average and median salary is 10 percent higher than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 9.8 percent, the median salary increased 1.3 percent.