Polhill, a photography major, was last seen in his campus dormitory, and a missing person's report was filed with the Chicago police, according to the Chicago Sun-Times.
Photo: Jay Polhill
But his family didn't stop there.
They have posted on numerous social networking websites, such as Reddit.com in the hopes that someone has seen him.
Polhill is described as having a slight build, and is about 5'5" with dark, wavy hair.
If you have any information about his whereabouts contact the Chicago Crime Stoppers hotline at 1-800-535-STOP