Chengzhuang is a town located in Luannan County, Tangshan, Hebei, China. According to the 2010 census, Chengzhuang had a population of 50,828, including 26,127 males and 24,701 females. The population was distributed as follows: 8,308 people aged under 14, 37,210 people aged between 15 and 64, and 5,310 people aged over 65.