Highest salary at Gage County in year 2020 was $96,974. Number of employees at Gage County in year 2020 was 141. Average annual salary was $30,336 and median salary was $32,718. Gage County average salary is 35 percent lower than USA average and median salary is 25 percent lower than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 2.4 percent, the median salary increased 6.9 percent.