Highest salary at Clay Center in year 2017 was $122,000. Number of employees at Clay Center in year 2017 was 133. Average annual salary was $47,769 and median salary was $47,420. Clay Center average salary is 2 percent higher than USA average and median salary is 9 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 3.0 percent, the median salary increased 3.9 percent.