More records of Office of Institutional Research and Enrollment prior from 1903-2015 are available in the University Archives in physical format and some have been digitized: http://digital.lib.calpoly.edu/rekl-uaire
Historic demographic and enrollment data
University Archives collections include enrollment records starting with the first year of enrollment (1903). Data is included for gender, ethnicity and race (since Fall 1973), department, college, year, and other topics.
University Archives has transcribed some enrollment data that you can request by emailing archives@calpoly.edu
This includes:
total student enrollment by year
men/women student enrollment by year
ethnicity and race by year (1973 to 1995)
number of graduates by year
number of international students at Cal Poly from 1950-1992
Clery Reports
Clery Report - Annual Security Report
University Archives holds print copies of the Annual Safety Reports from 1999-2015. Request UA550.04 at the Special Collections service desk.