Highest salary at Madison County in year 2023 was $108,189. Number of employees at Madison County in year 2023 was 135. Average annual salary was $44,887 and median salary was $48,203. Madison County average salary is 4 percent lower than USA average and median salary is 11 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 10.6 percent, the median salary increased 11.9 percent.