In 2 AD, there were 36 counties in the commandery, including Fuchang (富昌), Zouyu (騶虞), Huze (鵠澤), Pingding (平定), Meiji (美稷), Zhongyang (中陽), Lejie (樂街), Tujing (徒經), Gaolang (臯狼), Dacheng (大成), Guangtian (廣田), Huanyin (圜陰), Yilan (益闌), Pingzhou (平周), Hongmen (鴻門), Lin (藺), Xuanwu (宣武), Qianzhang (千章), Zengshan (增山), Huanyang (圜陽), Guangyan (廣衍), Wuche (武車), Humeng (虎猛), Lishi (離石), Guluo (穀羅), Rao (饒), Fangli (方利), Xicheng (隰成), Linshui (臨水), Tujun (土軍), Xidu (西都), Pinglu (平陸), Yinshan (陰山), Nishi (觬氏), Boling (博陵) and Yanguan (鹽官).
[1] By 140 AD, only 13 counties (Lishi, Pingding, Meiji, Lejie, Zhongyang, Gaolang, Pingzhou, Pinglu, Yilan, Huanyin, Lin, Huanyang, Guangyan) remained, and the population had decreased to 20,838, in 5,698 households.
[2] The region saw repeated nomadic raids toward the end of Han dynasty, and after the establishment of Cao Wei, the northern part of the commandery was abandoned.
In 280 AD, Xihe had 4 counties, Lishi, Xicheng (隰城), Zhongyang and Jiexiu (介休), with a population of 6,300 households.
Under Northern Wei, the commandery was reestablished in 484 AD, and included 3 counties (Xicheng, Jiexiu, Yong'an 永安) and a population of 5,388 households.