The 28-year-old woman was unconscious at the scene and taken to University of Pittsburgh Medical Center in Altoona for treatment of her injuries. She later regained consciousness.
The event will begin at 6 p.m. on Thursday in the State College Municipal Building.
The country music star will come to Happy Valley as part of his "Home Team" tour.
Pennsylvania Democratic gubernatorial candidate Josh Shapiro and U.S. Senate candidate John Fetterman spoke to students Wednesday evening at Old Main.
Candidates from Republican and Democratic campaigns made appearances in State College this week.
More than 160 Penn State faculty members signed a letter addressed to university leadership following its plans to scrap the Center for Racial Justice and handling of the Uncensored America event.