Highest Shelton employee salary in year 2017 was $199,659. Shelton employees number in year 2017 was 628. Shelton average salary was $48,184 and median salary was $44,627. According to the last payroll, Shelton average salary is 36 percent lower than USA average and 36 percent lower than Washington state average. Shelton employee salaries are usually between $23,373 and $70,360. Top 10% of highest-earning employees have salaries ranging from $82,041 to $199,659. From 2016 to 2017, the average salary of employees at this employer increased 2.3 percent.