Highest salary at Grant County in year 2022 was $103,264. Number of employees at Grant County in year 2022 was 135. Average annual salary was $26,910 and median salary was $29,420. Grant County average salary is 43 percent lower than USA average and median salary is 32 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 0.5 percent, the median salary increased 2.5 percent.