Highest salary at Rock Creek in year 2017 was $103,471. Number of employees at Rock Creek in year 2017 was 77. Average annual salary was $51,445 and median salary was $50,573. Rock Creek average salary is 10 percent higher than USA average and median salary is 16 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 4.3 percent, the median salary increased 3.3 percent.