If you're looking for a University of Illinois self-guided tour then you have come to the right page. The University of Illinois Urbana-Champaign is a public university located in Champaign, Illinois serving approximately 33,900 undergraduate students and 13,000 graduate students. Their sports teams are the center of campus life and they compete in the NCAA Division I Conference as well as the Big Ten Conference. Here are a few fun facts about the school. The creators of YouTube are both Illinois alumni and the school has the second largest collection of books among all of the American universities.