The unidentified 17-year-old was found around 5:15 p.m. at Adams Barbershop at 441 Main St., said Det. Lt. Matt Clark.
The teen, who did not want police assistance, was transported to MidHudson Regional Hospital with non-life threatening injuries, Clark said.
Anyone with information regarding the incident is asked to call the City of Poughkeepsie Police at 845-451-7577.
Click here to follow Daily Voice Poughkeepsie and receive free news updates.