Olyokminsky District

Olyokminsky District (Олёкминский улу́с; Өлүөхүмэ улууһа, Ölüöxüme uluuha) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the southwest of the republic and borders with Verkhnevilyuysky District in the north, Gorny and Khangalassky Districts in the northeast, Aldansky District in the east, Neryungrinsky District in the southeast, Zabaykalsky Krai in the southwest, Irkutsk Oblast and Lensky District in the west, and with Suntarsky District in the northwest. The area of the district is 160800 km2. Its administrative center is the town of Olyokminsk. Population: 27,563 (2002 Census);  The population of Olyokminsk accounts for 35.4% of the district's total population.

Geography
The main rivers of the district include the Lena with its tributaries, such as the Olyokma, Cherendey, Namana, Keyikte and Biryuk. The Olyokma-Chara Plateau is located to the west of the Olyokma's western bank. The Olyokma Nature Reserve is part of the district.

Climate
Average January temperature ranges from -30 to -35 C and average July temperature ranges from +12 C in the mountains to +18 C in the valleys. Average annual precipitation is 200 - 300 mm.

History
The district was established on January 9, 1930.

Demographics
As of the 2021 Census, the ethnic composition was as follows:
 * Russians: 48.2%
 * Yakuts: 42.1%
 * Evenks: 6.0%
 * Tatars: 1.3%
 * Evens: 0.5%
 * others - 1.9%

Economy
The economy of the district is based mostly on agriculture and mining. There are deposits of gold and construction materials in the district. The only deposit of charoite known in the world is located on the district's territory.

Inhabited localities
Divisional source:

Population source: *Administrative centers are shown in bold