Highest salary at Rock Creek in year 2018 was $111,442. Number of employees at Rock Creek in year 2018 was 80. Average annual salary was $54,076 and median salary was $52,889. Rock Creek average salary is 15 percent higher than USA average and median salary is 22 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 5.1 percent, the median salary increased 4.6 percent.