Highest salary at Carroll County in year 2020 was $141,914. Number of employees at Carroll County in year 2020 was 72. Average annual salary was $41,614 and median salary was $41,182. Carroll County average salary is 11 percent lower than USA average and median salary is 5 percent lower than USA median salary. From 2019 to 2020, the median salary increased 0.1 percent.