Highest salary at Mclean County in year 2022 was $166,719. Number of employees at Mclean County in year 2022 was 859. Average annual salary was $42,510 and median salary was $39,240. Mclean County average salary is 9 percent lower than USA average and median salary is 10 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 0.3 percent.