Highest salary at Carroll County in year 2018 was $130,814. Number of employees at Carroll County in year 2018 was 71. Average annual salary was $39,969 and median salary was $38,413. Carroll County average salary is 15 percent lower than USA average and median salary is 12 percent lower than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 0.9 percent, the median salary increased 1.4 percent.