Highest salary at Gratiot County in year 2024 was $178,852. Number of employees at Gratiot County in year 2024 was 180. Average annual salary was $48,767 and median salary was $49,370. Gratiot County average salary is 4 percent higher than USA average and median salary is 14 percent higher than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 10.2 percent, the median salary increased 12.8 percent.