Poplar is a neighborhood in Lower North Philadelphia. It is located north of Callowhill, between Spring Garden/Fairmount and Northern Liberties, bounded roughly by Girard Avenue to the north, North Broad Street to the west, Spring Garden Street to the south, and 5th Street to the east. The neighborhood is mostly residential with commercial frontage on Broad Street and Girard Avenue and some industrial facilities to the west of the railroad tracks along Percy St. and 9th St.