Jian 'ou City has a total population of 545,000.

Jian 'ou, referred to as Zhi. Jianning mansion, Jianzhou mansion. Northern Fujian is a big agricultural city, a provincial ecological city and a provincial garden city. Between Wuyi Mountain and Jiufeng Mountain, it covers a total area of 4,233 square kilometers, governs 10 towns, 4 townships, 4 streets, 2 17 villages and 27 neighborhood committees, with a total population of 545,000, including 460,000 agricultural residents. The Han nationality is dominant, and there are 10 ethnic minorities such as She and Miao. It is a county-level city with the largest land area in Fujian Province and the largest population in northern Fujian.

Jian 'ou has a long history and outstanding people. With a written history of more than 3000 years, it is a provincial-level historical and cultural city with a history of 1800 years. It is one of the earliest four counties in the history of "Fujian" and the earliest government in the history of Fujian. Fujian's construction takes its state (now Jian 'ou). 19 13 withdrew from the government, Jian 'an and Ou Ning were Jian 'ou counties, and 1992 withdrew from the county to set up a city.