Jinchang is a prefecture-level city in the centre of Gansu province in the People's Republic of China. It lies in the north-central part of the province, bordering Inner Mongolia to the north.
According to the 2020 Chinese census, Jinchang had a population of 438,026 inhabitants. Of that total, 260,385 people lived in the built-up area, which is made up of the Jinchuan District.