Ohio State University-Marion Campus had a total enrollment of 849 students in 2024. The full-time enrollment at Ohio State University-Marion Campus is 691 students and the part-time enrollment is 158. This means that 81.4% of students enrolled at Ohio State University-Marion Campus are enrolled full-time.

The enrolled student population at Ohio State University-Marion Campus, both undergraduate and graduate, is 73.4% White, 10% Asian, 4.83% Hispanic or Latino, 4% Black or African American, 4% Two or More Races, 0.236% American Indian or Alaska Native, and 0.118% Native Hawaiian or Other Pacific Islanders.

Students enrolled at Ohio State University-Marion Campus in full-time Undergraduate programs are most commonly White Female (37.9%), followed by White Male (35.3%) and Asian Male (6.08%). Students enrolled in full-time Graduate programs are most commonly White Female (100%).