Highest Napavine employee salary in year 2017 was $104,324. Napavine employees number in year 2017 was 118. Napavine average salary was $39,302 and median salary was $36,410. According to the last payroll, Napavine average salary is 47 percent lower than USA average and 48 percent lower than Washington state average. Napavine employee salaries are usually between $15,851 and $65,062. Top 10% of highest-earning employees have salaries ranging from $77,084 to $104,324. From 2016 to 2017, the average salary of employees at this employer increased 4.7 percent, the median salary increased 17.1 percent.