East Ujimqin Banner, excluding territories under jurisdiction of "Ulgai Management Area", has a population of 70,610.

[2] Ulgai Management Area, consisting of one county-level city and 3 ranches and pastures, has a population of 23,466 as of 2020.

The annual precipitation is approximately 251 mm (9.9 in), with more than half of it falling in July and August alone.

Due to the aridity and elevation, diurnal temperature variation often exceeds 15 °C (27 °F) in spring, averaging 13.5 °C (24.3 °F) annually.

East Ujimqin Banner is divided into 5 towns and 4 sums: In addition, Bayan Huxu Town (巴音胡硕镇) is de jure under jurisdiction of East Ujimqin Banner but de facto administered by Ulgai Management Area (乌拉盖管理区).