Highest salary at County Of Glenn in year 2018 was $132,433. Number of employees at County Of Glenn in year 2018 was 437. Average annual salary was $49,767 and median salary was $47,599. County Of Glenn average salary is 6 percent higher than USA average and median salary is 9 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 8.8 percent, the median salary increased 12.1 percent.