OSU overall enrollment up 1.9 percent, Corvallis campus increases less than 1 percent. Overall fall term 2017 enrollment at Oregon State University grew 1.9 percent from last year, while enrollment at OSU’s main campus in Corvallis continued to be stable. Oregon State’s overall fall enrollment is 31,904 – up 601 students from 2016 – making OSU the largest university in the state of Oregon for the fourth consecutive year. Oregon State’s fall enrollment includes: 24,760 students at the university’s main campus in Corvallis, an increase from fall 2016 of 89 students or 0.4 percent; 6,087 students in Ecampus, OSU’s nationally ranked online degree program, an increase of 405 students or 7.1 percent over last year; and 1,204 students at OSU-Cascades in Bend, an increase of 82 students or 7.3 percent more than a year ago.