Disclosed are a display device and a portable information apparatus including the same, which do not use a front set cover necessary for producing the display device and thus can minimize a thickness and enhance a sense of beauty with an innovative design. The display device includes a set cover, a guide frame, a display unit, a circuit disposing part, a plurality of circuit films, a PCB, and a deco cover. The circuit disposing part is prepared between one side of the guide frame and one side wall of a set side wall. The PCB is connected to the circuit films, and disposed at the circuit disposing part. The deco cover covers the circuit disposing part.