Highest salary at Iola in year 2018 was $114,426. Number of employees at Iola in year 2018 was 105. Average annual salary was $53,604 and median salary was $52,367. Iola average salary is 14 percent higher than USA average and median salary is 20 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 0.8 percent, the median salary increased 3.0 percent.