Duchang () is a county in the north-northeast of Jiangxi province, People's Republic of China. Containing part of Poyang Lake, it is under the jurisdiction of the prefecture-level city of Jiujiang. The total area is , and the population is 813,000. Administrative divisions Duchang County has 12 towns and 12 townships. 12 towns 12 townships Climate References External links County-level divisions of Jiangxi Jiujiang