Ongudaysky District (Russian: Онгуда́йский райо́н; Altay: Оҥдой аймак, Oñdoy aymak) is an administrative[1] and municipal[4] district (raion), one of the ten in the Altai Republic, Russia. It is located in the center of the republic. The area of the district is 11,744 square kilometers (4,534 sq mi).[2] Its administrative center is the rural locality (a selo) of Onguday.[1] As of the 2010 Census, the total population of the district was 15,046, with the population of Onguday accounting for 37.6% of that number.[3]
^Всесоюзная перепись населения 1979 г. Национальный состав населения по регионам России [All Union Population Census of 1979. Ethnic composition of the population by regions of Russia] (XLS). Всесоюзная перепись населения 1979 года [All-Union Population Census of 1979] (in Russian). 1979 – via Demoscope Weekly (website of the Institute of Demographics of the State University—Higher School of Economics.