Olenyoksky District (; , Ölöön uluuha, ), or Olenyoksky-Evenki National District, is an administrativeConstitution of the Sakha Republic and municipalLaw #172-Z #351-III district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the west of the republic and borders with Anabarsky District in the north, Bulunsky and Zhigansky Districts in the east, Vilyuysky, Verkhnevilyuysky, and Nyurbinsky Districts in the southeast, Mirninsky District in the south and southwest, and with Evenkiysky District Krasnoyarsk Krai in the west and northwest. The area of the district is .Registry of the Administrative-Territorial Divisions of the Sakha Republic Its administrative center is the rural locality (a selo) of Olenyok. Population: 4,091 (2002 Census); The population of Olenyok accounts for 55.1% of the district's total population. With a population density of 0.013 people per square kilometer, Olenyoksky District is one of the most sparsely populated places in the world.

Geography The main rivers in the district are the Olenyok, with its tributaries Arga-Sala (with its tributaries Kengeede, Kukusunda. Kyuyonelikeen and Kyuyonelekeen), Alakit, Siligir, Merchimden, Ukukit, Birekte, Kuoyka and Beyenchime, as well as the Anabar. The largest lake is Lake Eyik, located at the southern end of the district.

Average January temperature ranges from and average July temperature ranges from .Center of the Socioeconomic and Political Monitoring. Olenyoksky District

History The district was established on October 1, 1935.

Demographics As of the 2021 Census, the ethnic composition was as follows: Evenks: 82.8% Yakuts: 14.0% Russians: 1.2% Evens: 0.5% other ethnicities: 1.5%

Economy The economy of the district is mostly based on agriculture. There are deposits of diamonds, natural gas, and construction materials.

Inhabited localities + Municipal compositionRural settlementsPopulationMaleFemaleRural localities in jurisdiction*Shologonsky National Nasleg()344178 (51.7%)166 (48.3%)selo of EyikKirbeysky National Nasleg()846433 (51.2%)413 (48.8%)''selo of Kharyyalakh|- |valign="top"|Olenyoksky National Nasleg() |align="center"|2,273 |align="center"|1,090 (48.0%) |align="center"|1,183 (52.0%) |selo of Olenyok (administrative center of the district) |- |valign="top"|Zhilindinsky National Nasleg() |align="center"|664 |align="center"|336 (50.6%) |align="center"|328 (49.4%) |selo'' of Zhilinda Divisional source:Olenyoksy Ulus (Raion) Official website of the Sakha Republic

*Administrative centers are shown in bold

References Notes

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