Beitun City was established on 28 December 2011, becoming the youngest city of the PRC at the time. It was established out of portions of Altay City.
Beitun City covers an area of 910.5 square kilometres (351.5 sq mi) and has a population of 76,300. The city is located on the Irtysh River. Its name comes from the accolade "China's northernmost cultivation land" (Chinese: 中国最北的屯垦重地; pinyin: Zhōngguó zuìběi de túnkěn zhòngdì).