Highest salary at County Of Gray in year 2017 was $180,576. Number of employees at County Of Gray in year 2017 was 805. Average annual salary was $24,756 and median salary was $27,405. County Of Gray average salary is 47 percent lower than USA average and median salary is 37 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 2.1 percent, the median salary increased 1.9 percent.