Ust-Yansky District
title: "Ust-Yansky District" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["districts-of-the-sakha-republic", "laptev-sea"] topic_path: "general/districts-of-the-sakha-republic" source: "https://en.wikipedia.org/wiki/Ust-Yansky_District" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::data[format=table title="Infobox Russian district"]
| Field | Value |
|---|---|
| en_name | Ust-Yansky District |
| ru_name | Усть-Янский улус |
| loc_name1 | Усуйаана улууһа |
| loc_lang1 | Sakha |
| image_map | |
| map_caption | Location of Ust-Yansky District in the Sakha Republic |
| image_view | Затон - panoramio (3).jpg |
| image_caption | Ship by the Kyundyulyun, Ust-Yansky District |
| image_flag | Flag of Ust-Yansky rayon.png |
| image_coa | Coat of Arms of Ust-Yansky rayon (Yakutia).png |
| federal_subject | Sakha Republic |
| federal_subject_ref | |
| adm_ctr_name | Deputatsky |
| adm_ctr_ref | |
| urban-type_settlement_of_district_significance_type | Settlements |
| no_of_urban-type_settlements_of_district_significance | 3 |
| selsoviet_type1 | Rural okrugs |
| no_of_selsoviets_type1 | 7 |
| no_of_urban-type_settlements | 3 |
| no_of_rural_localities | 7 |
| counts_ref | |
| mun_formation1 | Ust-Yansky Municipal District |
| mun_formation1_ref | |
| mun_formation1_no_of_urban_settlements | 3 |
| mun_formation1_no_of_rural_settlements | 7 |
| mun_formation1_counts_ref | |
| area_km2 | 120300 |
| area_km2_ref | |
| pop_2010census | 8056 |
| urban_pop_2010census | 54.0% |
| rural_pop_2010census | 46.0% |
| established_date | January 5, 1967 |
| established_date_ref | |
| website | https://mr-ust-janskij.sakha.gov.ru/ |
| :: |
|en_name=Ust-Yansky District |ru_name=Усть-Янский улус |loc_name1=Усуйаана улууһа |loc_lang1=Sakha |image_map= |map_caption=Location of Ust-Yansky District in the Sakha Republic |image_view=Затон - panoramio (3).jpg |image_caption=Ship by the Kyundyulyun, Ust-Yansky District |image_flag=Flag of Ust-Yansky rayon.png |image_coa=Coat of Arms of Ust-Yansky rayon (Yakutia).png |anthem= |anthem_ref= |holiday= |holiday_ref= |federal_subject=Sakha Republic |federal_subject_ref= |adm_ctr_name=Deputatsky |adm_ctr_ref= |urban-type_settlement_of_district_significance_type=Settlements |no_of_urban-type_settlements_of_district_significance=3 |selsoviet_type1=Rural okrugs |no_of_selsoviets_type1=7 |no_of_urban-type_settlements=3 |no_of_rural_localities=7 |counts_ref= |mun_formation1=Ust-Yansky Municipal District |mun_formation1_ref= |mun_formation1_no_of_urban_settlements=3 |mun_formation1_no_of_rural_settlements=7 |mun_formation1_counts_ref= |mun_formation1_leader_title= |mun_formation1_leader_title_ref= |mun_formation1_leader_name= |mun_formation1_leader_name_ref= |mun_formation1_representative_body= |mun_formation1_representative_body_ref= |area_km2=120300 |area_km2_ref= |pop_2010census=8056 |urban_pop_2010census=54.0% |rural_pop_2010census=46.0% |pop_latest= |pop_latest_date= |pop_latest_ref= |established_date=January 5, 1967 |established_date_ref= |website=https://mr-ust-janskij.sakha.gov.ru/ Ust-Yansky District (; , ) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the north of the republic in the Yana River delta on the coast of the Laptev Sea and borders with Allaikhovsky and Abyysky Districts in the east, Momsky District in the south, Verkhoyansky District in the southwest, and with Bulunsky District in the west. The area of the district is 120300 km2. Its administrative center is the urban locality (a settlement) of Deputatsky. Population: The population of Deputatsky accounts for 37.0% of the district's total population.
Geography
The main rivers in the district include the Yana, the Omoloy with the Ulakhan-Kyuegyulyur, the Sellyakh, as well as the Chondon with its tributary the Nuchcha. The Kyundyulyun, northernmost spur of the Chersky Range, rises north of Ust-Kuyga. There are numerous lakes in the district. Orotko is one of the largest.
Average January temperature ranges from -32 to and average July temperature ranges from +4 to. Annual precipitation ranges from 150 - in the north to 250 - in the south.
History
The district was established on January 5, 1967.
Demographics
As of the 1989 Census, the district had a population of 41,265 inhabitants, with an ethnic composition as follows:
However, a great deal of the ethnic Russian population left with the economic downturn following the collapse of the Soviet Union, so much so that the district lost over three-quarters of its population during the 1990s.
In the 2021 census, the indigenous Yakuts again formed a plurality (around a half) of the inhabitants, with the total population now just 6,810. In that year, the ethnic composition of the district was:
- Yakuts: 48.5%
- Russians: 20.7%
- Evens: 20.2%
- Yukaghirs: 2.8%
- Ukrainians: 2.7%
- other ethnicities: 5.1%
Economy
The main industries are gold mining, reindeer herding, fishing, and fur trade. There are deposits of gold, tin, tungsten, mercury, lead, zinc, and brown coal.
Inhabited localities
::data[format=table title="Municipal composition"]
| Urban settlements | Population | Male | Female | Inhabited localities in jurisdiction | Rural settlements | Population | Male | Female | Rural localities in jurisdiction* |
|---|---|---|---|---|---|---|---|---|---|
| Deputatsky | |||||||||
| (Депутатский) | 2983 | 1447 (48.5%) | 1536 (51.5%) | ||||||
| Nizhneyansk | |||||||||
| (Нижнеянск) | 391 | 208 (53.2%) | 183 (46.8%) | ||||||
| Ust-Kuyga | |||||||||
| (Усть-Куйга) | 979 | 516 (52.7%) | 463 (47.3%) | ||||||
| Kazachinsky National Nasleg | |||||||||
| (Казачинский национальный наслег) | 1367 | 665 (48.6%) | 702 (51.4%) | ||||||
| Omoloysysky National Nasleg | |||||||||
| (Омолойский национальный наслег) | 433 | 223 (51.5%) | 210 (48.5%) | ||||||
| Silyannyakhsky National Nasleg | |||||||||
| (Силянняхский национальный наслег) | 771 | 377 (48.9%) | 394 (51.1%) | ||||||
| Tumatsky National Nasleg | |||||||||
| (Туматский национальный наслег) | 533 | 286 (53.7%) | 247 (46.3%) | ||||||
| Ust-Yansky National Nasleg | |||||||||
| (Усть-Янский национальный наслег) | 317 | 166 (52.4%) | 151 (47.6%) | ||||||
| Uyandinsky National Nasleg | |||||||||
| (Уяндинский национальный наслег) | 154 | 84 (54.5%) | 70 (45.5%) | ||||||
| Yukagir National (Nomadic) Nasleg | |||||||||
| (Юкагирский национальный кочевой наслег) | 128 | 67 (52.3%) | 61 (47.7%) | ||||||
| :: |
Divisional source:
Population source:
*Administrative centers are shown in bold
References
Notes
Sources
References
- Law #173-Z #354-III
- Constitution of the Sakha Republic
- Law #172-Z #351-III
- Registry of the Administrative-Territorial Divisions of the Sakha Republic
- "R-53_54 Topographic Chart (in Russian)".
- [[Google Earth]]
- [http://mapr53.narod.ru/map2/index15.html Topographic map - Kular]
- Center of the Socioeconomic and Political Monitoring. [http://www.sitc.ru/monitoring/ust-yana/index.shtml Ust-Yansky District] {{in lang. ru
- "Национальный состав населения". [[Federal State Statistics Service (Russia).
- [http://sakha.gov.ru/node/12552 Ust-Yansky Ulus (Raion)] Official website of the Sakha Republic
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