Dengkou County, Bayannur City, Inner Mongolia Autonomous Region, county under the jurisdiction of the Inner Mongolia Autonomous Region, located in the western part of Inner Mongolia Autonomous Region, southwestern Bayannur City, is located in the source of the Hetao Plain, the eastern edge of the Ulan Buh Desert, belongs to the mesothermal temperate continental monsoon climate, adjacent to the five banners, with a total area of 4,166.6 square kilometers. As of October 2022, Dengkou County has 4 towns and 1 soum under its jurisdiction, and another 6 township-level units. As of the end of 2022, Dengkou County had a total household population of 109,100.
"Dengkou" name comes from the West Bank of the Yellow River, the old thin mouth village (now Alxa Left Banner Bayin Muren Sumu Resident), Dengkou village and the Yellow River East-West traffic is an important crossing, there are stone steps for the Deng, so the name Dengkou. Republic of eighteen years (1929) in January, the National Government approved the official set Dengkou County, assigned to the jurisdiction of Ningxia Province; in 1954, after the abolition of the Ningxia Province, Dengkou County, Bayanhot Mongolian Autonomous Prefecture in Gansu Province; April 3, 1956, Dengkou County, Bayanhot Mongolian Autonomous Prefecture with the Bayanhot transferred to the Bayannur League of the Inner Mongolia Autonomous Region; July 1960, the abolition of Dengkou County, the establishment of the Bayan Gaole City In July 1964, the abolition of Bayan Gaole City, Dengkou County restored to the establishment, Bayan Gaole changed to the county town under the jurisdiction of the Bayan Nur League.
The main attractions of Dengkou County include Nalin Lake, Sanshenggong Yellow River Water Conservancy Hub Project, Wanquan Lake Ecological Tourism Resort, etc. On December 27, 2022, Dengkou County was selected as one of the "2021-2025 Second Batch of National Science Popularization Demonstration Counties (Municipalities and Districts) List". on January 29, 2023, Dengkou County was selected as one of the "National Science Popularization Demonstration Counties (Municipalities and Districts) List". On January 29, 2023, Dengkou County was selected as one of the "Sixth List of Civilized Cities in Inner Mongolia Autonomous Region".
In 2022, Dengkou County realized gross domestic product (GDP) of 7.102 billion yuan, with a year-on-year growth of 4.8%; the ratio of added value of the primary, secondary and tertiary industries was 24.7:41.4:33.9; the revenue of the general public budget was 294 million yuan, with a year-on-year growth of 15.3%; the investment in fixed assets increased by 66.6% year-on-year; and the per capita disposable income of urban and rural residents was 28,636 yuan, with a year-on-year growth of 5.6%. year-on-year growth of 5.6%.