Highest salary at Liberal in year 2016 was $147,575. Number of employees at Liberal in year 2016 was 383. Average annual salary was $57,755 and median salary was $55,694. Liberal average salary is 23 percent higher than USA average and median salary is 28 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 10.9 percent, the median salary increased 12.8 percent.