Highest Richland employee salary in year 2017 was $228,586. Richland employees number in year 2017 was 1,654. Richland average salary was $48,054 and median salary was $44,935. According to the last payroll, Richland average salary is 36 percent lower than USA average and 37 percent lower than Washington state average. Richland employee salaries are usually between $19,273 and $73,297. Top 10% of highest-earning employees have salaries ranging from $86,111 to $228,586. From 2016 to 2017, the average salary of employees at this employer increased 8.1 percent, the median salary increased 8.3 percent.