Highest salary at New Madrid County in year 2020 was $143,487. Number of employees at New Madrid County in year 2020 was 76. Average annual salary was $38,509 and median salary was $36,964. New Madrid County average salary is 18 percent lower than USA average and median salary is 15 percent lower than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 0.8 percent.