The Catholic University of America had a total enrollment of 5,243 students in 2024. The full-time enrollment at The Catholic University of America is 4,012 students and the part-time enrollment is 1,231. This means that 76.5% of students enrolled at The Catholic University of America are enrolled full-time.

The enrolled student population at The Catholic University of America, both undergraduate and graduate, is 51% White, 16.4% Hispanic or Latino, 8.45% Black or African American, 5.32% Two or More Races, 3.22% Asian, 0.114% American Indian or Alaska Native, and 0.0572% Native Hawaiian or Other Pacific Islanders.

Students enrolled at The Catholic University of America in full-time Undergraduate programs are most commonly White Female (31%), followed by White Male (27.4%) and Hispanic or Latino Female (12.3%). Students enrolled in full-time Graduate programs are most commonly White Male (23.1%), followed by White Female (23%) and Black or African American Female (4.37%).