Highest salary at Madison County in year 2023 was $130,901. Number of employees at Madison County in year 2023 was 199. Average annual salary was $32,620 and median salary was $33,247. Madison County average salary is 30 percent lower than USA average and median salary is 24 percent lower than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 4.9 percent, the median salary increased 18.2 percent.