Population density and structure
The average population density in the Yanhe River Basin is 71.4 capita per kmē. The population density in Jingbian, Ansai, Baota, Yanchang and Zhidan County is 45.5, 51.9, 118.3, 62.6 and 29.9 capita per kmē respectively.
The average annual cereal consumption is 599 kg per capita in the Yanhe River Basin. The consumption divided per county is 505, 632, 608, 520 and 730 599 kg per capita in Jingbian, Ansai, Baota, Yanchang and Zhidan County respectively.