The average captain salary at Eaton County was $117,576 , which is 14 percent higher than the average salary for this job in Michigan, but 27 percent lower than the national average for this job . Captain salaries at Eaton County typically range from $111,828 to $123,325 (25th to 75th percentile). The highest reported captain salary was $123,324. There are 2 employees at Eaton County with the job title captain.