The average emt b salary at Martin County was $45,218 , which is 17 percent lower than the average salary for this job in Indiana, and 10 percent lower than the national average for this job . Emt B salaries at Martin County typically range from $38,762 to $50,560 (25th to 75th percentile). The highest reported emt b salary was $63,859. There are 7 employees at Martin County with the job title emt b.