According to the 2010 Census, the city of Chuzhou has a registered population of 4,533,540 inhabitants, although 7,260,240 persons declared to be permanent residents.
A young girl from Chuzhou (楚州; modern Huai'an District, Huai'an, Jiangsu) called Dou Duanyun is sent to the Cai family to be a child bride because her father Dou Tianzhang owed people a lot of money and could not repay his debts.