Highest Slidell employee salary in year 2018 was $86,006. Slidell employees number in year 2018 was 96. Slidell average salary was $44,939 and median salary was $46,296. According to the last payroll, Slidell average salary is 40 percent lower than USA average and 4 percent lower than Louisiana state average. Slidell employee salaries are usually between $36,453 and $56,435. Top 10% of highest-earning employees have salaries ranging from $66,095 to $86,006.