Mid-den is a neighborhood in Philadelphia, Pennsylvania. It is located in the University City section of the city and is bounded by 20th Street to the north, Tasker Street to the east, Locust Street to the south, and Chancellor Street to the west. The streets in Mid-den run roughly east-west, while the University of Pennsylvania campus is situated to the north. The area has a relatively high population density and a strong university presence. With many students and young professionals, Mid-den is becoming increasingly popular with newcomers to the city. Despite its growth, the area retains its character with many traditional neighborhoods and public spaces still in place.