Highest salary at Clay County in year 2023 was $412,892. Number of employees at Clay County in year 2023 was 384. Average annual salary was $47,502 and median salary was $40,643. Clay County average salary is 1 percent higher than USA average and median salary is 7 percent lower than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 5.9 percent, the median salary increased 7.5 percent.