Caogoubu Township
Caogoubu Township is a rural township located in Yu County, Zhangjiakou, Hebei, China. According to the 2010 census, Caogoubu Township had a population of 9,106, including 5,045 males and 4,061 females. The population was distributed as follows: 1,614 people aged under 14, 6,418 people aged between 15 and 64, and 1,074 people aged over 65.