Highest salary at Iola in year 2017 was $126,014. Number of employees at Iola in year 2017 was 106. Average annual salary was $53,161 and median salary was $50,855. Iola average salary is 13 percent higher than USA average and median salary is 17 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 5.1 percent, the median salary increased 2.4 percent.