Nymagee is a small town in the north west of New South Wales, 618 kilometres (384 mi) north west of Sydney, 130 kilometres (81 mi) south west of Nyngan and 89 kilometres (55 mi) south of Cobar. It is in the Shire of Cobar, The State Government area of Barwon and the Federal Government area of Parkes. At the 2016 census, Nymagee had a population of 101.An area, COP4, of 2,070,061 hectares (5,115,230 acres) around Nymagee has also been designated as an IBRA biogeographic subregion of the Cobar Peneplain biogeographic region.