In 1914, the three Goons (Gimpo, Yangcheon, and Tongjin) were integrated to become Gimpo Goon. In 1963, Yangdong and Yangseo Myeons were incorporated into Seoul City. In 1979, Gimpo Myeon was elevated to Eup. In 1983, Tongjin Myeon was newly established (1 Eup and 8 Myeons). In 1998, Gimpo Goon Elevated to Gimpo City (3 Dongs and 6 Myeons). In 2003, Three Dongs of Gimpo were separated into Sawoo Dong and Poongmoo Dong. In 2012, Janggi Dong was newly established (3 Eup, 3 Myeons, and 5 Dongs) and has been developed into Gimpo Hangang new town.