Highest salary at Shelby County in year 2023 was $136,947. Number of employees at Shelby County in year 2023 was 136. Average annual salary was $41,220 and median salary was $47,708. Shelby County average salary is 12 percent lower than USA average and median salary is 10 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 3.8 percent, the median salary increased 6.9 percent.