Highest salary at Carroll County in year 2021 was $126,474. Number of employees at Carroll County in year 2021 was 70. Average annual salary was $42,385 and median salary was $42,789. Carroll County average salary is 10 percent lower than USA average and median salary is 2 percent lower than USA median salary. From 2020 to 2021, the average salary of employees at this employer increased 1.9 percent, the median salary increased 3.9 percent.