Robert Morris University had a total enrollment of 5,275 students in 2024. The full-time enrollment at Robert Morris University is 3,334 students and the part-time enrollment is 1,941. This means that 63.2% of students enrolled at Robert Morris University are enrolled full-time.

The enrolled student population at Robert Morris University, both undergraduate and graduate, is 50% White, 6.1% Black or African American, 3.32% Two or More Races, 2.58% Hispanic or Latino, 1.48% Asian, 0.0758% American Indian or Alaska Native, and 0.019% Native Hawaiian or Other Pacific Islanders.

Students enrolled at Robert Morris University in full-time Undergraduate programs are most commonly White Male (37.3%), followed by White Female (34.1%) and Black or African American Male (5.28%). Students enrolled in full-time Graduate programs are most commonly White Female (11.5%), followed by White Male (10.7%) and Black or African American Male (4.56%).