Highest salary at Iroquois County in year 2023 was $149,421. Number of employees at Iroquois County in year 2023 was 131. Average annual salary was $47,611 and median salary was $48,439. Iroquois County average salary is 2 percent higher than USA average and median salary is 11 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 2.5 percent, the median salary increased 4.6 percent.