Mount Saint Mary's University had a total enrollment of 2,312 students in 2024. The full-time enrollment at Mount Saint Mary's University is 2,085 students and the part-time enrollment is 227. This means that 90.2% of students enrolled at Mount Saint Mary's University are enrolled full-time.

The enrolled student population at Mount Saint Mary's University, both undergraduate and graduate, is 56.1% Hispanic or Latino, 15.8% Asian, 10.8% White, 6.96% Black or African American, 1.25% Two or More Races, 0.649% American Indian or Alaska Native, and 0.303% Native Hawaiian or Other Pacific Islanders.

Students enrolled at Mount Saint Mary's University in full-time Undergraduate programs are most commonly Hispanic or Latino Female (53.2%), followed by Asian Female (15.5%) and White Female (8.44%). Students enrolled in full-time Graduate programs are most commonly Hispanic or Latino Female (46.8%), followed by White Female (11.4%) and Hispanic or Latino Male (7.82%).