Highest salary at Gage County in year 2021 was $99,883. Number of employees at Gage County in year 2021 was 137. Average annual salary was $30,541 and median salary was $31,571. Gage County average salary is 35 percent lower than USA average and median salary is 27 percent lower than USA median salary. From 2020 to 2021, the average salary of employees at this employer increased 0.7 percent.