Highest salary at Clay Center in year 2018 was $125,800. Number of employees at Clay Center in year 2018 was 133. Average annual salary was $51,950 and median salary was $50,582. Clay Center average salary is 11 percent higher than USA average and median salary is 16 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 8.8 percent, the median salary increased 6.7 percent.