The average aemt salary at Marshall County was $42,941 , which is 11 percent lower than the average salary for this job in Tennessee, but 11 percent higher than the national average for this job . Aemt salaries at Marshall County typically range from $26,695 to $52,356 (25th to 75th percentile). The highest reported aemt salary was $69,017. There are 17 employees at Marshall County with the job title aemt.