Highest Manson employee salary in year 2017 was $135,429. Manson employees number in year 2017 was 116. Manson average salary was $41,933 and median salary was $37,458. According to the last payroll, Manson average salary is 44 percent lower than USA average and 45 percent lower than Washington state average. Manson employee salaries are usually between $23,443 and $61,268. Top 10% of highest-earning employees have salaries ranging from $78,620 to $135,429. From 2016 to 2017, the average salary of employees at this employer increased 9.0 percent, the median salary increased 14.6 percent.