Highest salary at Kankakee County in year 2020 was $177,269. Number of employees at Kankakee County in year 2020 was 555. Average annual salary was $52,516 and median salary was $53,963. Kankakee County average salary is 12 percent higher than USA average and median salary is 24 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 5.5 percent, the median salary increased 5.5 percent.