Highest salary at Clay County in year 2022 was $75,613. Number of employees at Clay County in year 2022 was 146. Average annual salary was $30,150 and median salary was $33,218. Clay County average salary is 36 percent lower than USA average and median salary is 24 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 4.0 percent, the median salary increased 4.5 percent.