Highest salary at Madison County in year 2023 was $112,000. Number of employees at Madison County in year 2023 was 195. Average annual salary was $40,574 and median salary was $43,928. Madison County average salary is 13 percent lower than USA average and median salary is 1 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 13.2 percent, the median salary increased 11.0 percent.