Students
In 1930, West Lafayette campus enrollment was 85 percent male (3,851) and 15 percent female (693). In 2008-09, the ratio is 57.8 percent male (23,186) and 42.2 percent female (16,904).
Students on the West Lafayette campus come from the following areas:
- 57.5% — Indiana
- 28.8% — other states (all 50 states and the District of Columbia represented)
- 13.6% — international (includes U.S. territories, residents abroad, resident aliens, and 128 foreign nations)
System-wide Enrollment
| Campus | 2006 | 2007 | 2008 |
| West Lafayette | 39,228 | 39,102 | 40,090 |
| Calumet | 9,303 | 9,607 | 9,325 |
| North Central | 3,724 | 3,904 | 4,245 |
| Indiana-Purdue Fort Wayne | 11,672 | 11,943 | 12,338 |
| Indiana-Purdue Indianapolis* | 4,277 | 4,411 | 4,629 |
| Statewide Technology | 1,358 | 1,383 | 1,361 |
| Total | 68,562 | 70,350 | 71,988 |
West Lafayette Enrollment
| College/School | Fall 2008 |
| Agriculture | 3,026 |
| Consumer and Family Sciences | 2,124 |
| Education | 1,303 |
| Engineering | 8,910 |
| Liberal Arts | 7,806 |
| Management | 3,645 |
| Pharmacy, Nursing, and Health Sciences | 2,705 |
| Science | 3,899 |
| Technology | 4,121 |
| Veterinary Medicine | 786 |
| Undergraduate Studies Program | 1,199 |
| Non-degree | 270 |
| Interdisciplinary | 296 |
| Total | 40,090 |