Highest Westlake employee salary in year 2018 was $73,298. Westlake employees number in year 2018 was 19. Westlake average salary was $35,335 and median salary was $35,503. According to the last payroll, Westlake average salary is 53 percent lower than USA average and 25 percent lower than Louisiana state average. Westlake employee salaries are usually between $26,896 and $45,158. Top 10% of highest-earning employees have salaries ranging from $59,466 to $73,298.