| Students | 12 |
| Faculty | 9 |
| Staff/Administrators | 64 |
| Alumni | 14 |
| Public | 11 |
| Yearly Total Patrons | 110 |
| Otterbein General History | 66 |
| Greek Life History | 3 |
| Church History | 3 |
| Westerville History | 3 |
| Genealogy | 3 |
| Photographs | 32 |
| Information Verification | 24 |
| Syllabi | 2 |
| Spare Yearbooks | 1 |
| Other | 24 |
| Publication/Serial | 23 |
| Vertical File | 11 |
| Books | 19 |
| Photographs | 25 |
| Collections | 24 |
| Digital Items/Commons | 72 |
| Artifacts | 1 |
| Referred Elsewhere | 10 |
| Other | 37 |
| Walk-In | 1 |
| Telephone | 7 |
| 102 | |
| Appointment | 0 |
| Letter | 0 |
| Facebook Message | 0 |