Highest salary at Adair County in year 2020 was $143,487. Number of employees at Adair County in year 2020 was 88. Average annual salary was $33,785 and median salary was $35,335. Adair County average salary is 28 percent lower than USA average and median salary is 19 percent lower than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 1.0 percent, the median salary increased 7.7 percent.