Highest salary at Sandusky County in year 2017 was $127,214. Number of employees at Sandusky County in year 2017 was 731. Average annual salary was $31,406 and median salary was $31,664. Sandusky County average salary is 33 percent lower than USA average and median salary is 27 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 2.6 percent, the median salary increased 3.5 percent.