Highest salary at Clay in year 2011 was $76,681. Number of employees at Clay in year 2011 was 91. Average annual salary was $40,798 and median salary was $47,089. Clay average salary is 13 percent lower than USA average and median salary is 8 percent higher than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 6.5 percent, the median salary increased 8.1 percent.