| En Name: | Lensky District |
| Ru Name: | Ленский улус |
| Loc Name1: | Лиэнскэй улууһа |
| Loc Lang1: | Sakha |
| Image View: | 145 Скала Хапчагай, Ленский район.jpg |
| Coordinates: | 60.7167°N 169°W |
| Image Coa: | Coat of Arms of Lensk rayon (Yakutia).png |
| Federal Subject: | Sakha Republic |
| Adm Data As Of: | June 2009 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Lensk |
| Town Of District Significance Type: | Towns |
| No Of Towns Of District Significance: | 1 |
| Urban-Type Settlement Of District Significance Type: | Settlements |
| No Of Urban-Type Settlements Of District Significance: | 2 |
| Selsoviet Type1: | Rural okrugs |
| No Of Selsoviets Type1: | 8 |
| No Of Cities Towns: | 1 |
| No Of Urban-Type Settlements: | 2 |
| No Of Rural Localities: | 16 |
| Mun Data As Of: | December 2008 |
| Mun Formation1: | Lensky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 3 |
| Mun Formation1 No Of Rural Settlements: | 8 |
| Area As Of: | June 2009 |
| Area Km2: | 77000 |
| Pop 2010Census: | 39765 |
| Urban Pop 2010Census: | 87.0% |
| Rural Pop 2010Census: | 13.0% |
| Established Date: | January 30, 1930 |
| Date: | November 2016 |
Lensky District (ru|Ле́нский улу́с; sah|Лиэнскэй улууһа, Lienskey uluuha) is an administrative[1] and municipal[2] 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 Mirninsky District in the north, Suntarsky District in the northeast, Olyokminsky District in the east, and Irkutsk Oblast in the south and west. The area of the district is 77000km2.[3] Its administrative center is the town of Lensk. As of the 2010 Census, the total population of the district was 39,765, with the population of Lensk accounting for 62.8% of that number.
The main river in the district is the Lena with its tributaries the Vitim, Peleduy, Derba and Nyuya.
Average January temperature is and average July temperature is 16C17C.[4] Annual precipitation is 300mm400mm.
The district was established on January 30, 1930.
Within the framework of administrative divisions, Lensky District is one of the thirty-four in the republic. It is divided into one town (an administrative division with the administrative center in the town (inhabited locality) of Lensk), two settlements (administrative divisions with the administrative centers in the urban-type settlements (inhabited localities) of Peleduy and Vitim), and eight rural okrugs (naslegs), all of which comprise sixteen rural localities. As a municipal division, the district is incorporated as Lensky Municipal District. Within the municipal district, the Town of Lensk is incorporated into Lensk Urban Settlement, the two settlements are incorporated into two urban settlements, and the eight rural okrugs are incorporated into eight rural settlements.[5] The town of Lensk serves as the administrative center of both the administrative and municipal district.
| Towns/Urban settlements | Population | Inhabited localities in jurisdiction |
|---|---|---|
| Lensk (Russian: Ленск) | 24,966 | |
| Settlements/Urban settlements | Population | Inhabited localities in jurisdiction |
| Vitim (Russian: Витим) | 4,376 | |
| Peleduy (Russian: Пеледуй) | 5,262 |
|
| Rural okrugs/Rural settlements | Population | Rural localities in jurisdiction* |
| Bechenchinsky (Russian: Беченчинский) | 786 |
|
| Murbaysky (Russian: Мурбайский) | 350 |
|
| Natorsky (Russian: Наторский) | 441 |
|
| Nyuysky (Russian: Нюйский) | 1,544 | |
| Orto-Nakharinsky (Russian: Орто-Нахаринский) | 689 |
|
| Saldykelsky (Russian: Салдыкельский) | 424 | |
| Tolonsky (Russian: Толонский) | 426 |
|
| Yaroslavsky (Russian: Ярославский) | 501 |
|
The economy of the district is mostly based on timber industry, production of construction materials, and food industry.
| Bodystyle: | width:23.5em |
| Population of Lensky District | |
| Label1: | 2010 Census |
| Data1: | 39,765 |
| Label2: | 2002 Census |
| Data2: | 38,669 |
| Label3: | 1989 Census |
| Data3: | 49,702 |
| Label4: | 1979 Census |
| Data4: | 40,019 |
As of the 2021 Census, the ethnic composition was as follows:[6]
78.1%
12.0%
0.9%
0.8%
0.7%
0.6%
0.5%