# Srednekolymsky District

Srednekolymsky District (Russian: Среднеколы́мский улу́с; Yakut: Орто Халыма улууһа, Orto Xalıma 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 north of the republic and borders with Verkhnekolymsky District in the south, Abyysky District in the west, Allaikhovsky District in the northwest, Nizhnekolymsky District in the north, Bilibinsky District of Chukotka Autonomous Okrug in the east, and with Srednekansky District of Magadan Oblast in the southeast. The area of the district is 125,200 square kilometers (48,300 sq mi). Its administrative center is the town of Srednekolymsk. Population: 7,897 (2010 Census); 8,353 (2002 Census); 9,441 (1989 Soviet census). The population of Srednekolymsk accounts for 44.6% of the district's total population.

## Geography

The landscape of the district is mostly flat. The main rivers in the district include the Kolyma, the Alazeya and the Rossokha with the Arga-Yuryakh. There are many lakes, the largest of which are Lakes Pavylon and Balyma. Mount Chubukulakh is located in the district.

### Climate

Average January temperature is −38 °C (−36 °F) and average July temperature is +12 °C (54 °F). Annual precipitation ranges from 150–200 millimeters (5.9–7.9 in) in the north to 250–300 millimeters (9.8–11.8 in) in the east.

## History

The district was established on May 25, 1930.

## Demographics

As of the 2021 Census, the ethnic composition was as follows:
* Yakuts: 79.9%
* Russians: 9.8%
* Evens: 7.8%
* Yukaghirs: 1.0%
* others: 1.5%

## Economy

The economy of the district is mostly based on grazing-based animal husbandry, including reindeer, horse and cattle industries. There are deposits of construction materials.

## Inhabited localities

Municipal composition :
| Towns | Population | Male | Female | Inhabited localities in jurisdiction |
| Srednekolymsk (Среднеколымск) | 3528 | 1668 (47.3%) | 1860 (52.7%) | Town of Srednekolymsk (administrative center of the district) selo of Lobuya |
| Rural settlements | Population | Male | Female | Rural localities in jurisdiction* |
| Alazeysky Nasleg (Алазейский наслег) | 518 | 247 (47.7%) | 271 (52.3%) | selo of Argakhtakh |
| Baydinsky Nasleg (Байдинский наслег) | 502 | 247 (47.7%) | 271 (52.3%) | selo of Nalimsk |
| Berezovsky National Nomadic Nasleg (Березовский национальный кочевой наслег) | 338 | 181 (53.6%) | 157 (46.4%) | selo of Berezovka selo of Urodan |
| Kangalassky 1-y Nasleg (Кангаласский 1-й наслег) | 557 | 270 (48.5%) | 287 (51.5%) | selo of Aleko-Kyuyol selo of Soyangi |
| Kangalassky 2-y Nasleg (Кангаласский 2-й наслег) | 504 | 249 (49.4%) | 255 (50.6%) | selo of Ebyakh |
| Myatissky 1-y Nasleg (Мятисский 1-й наслег) | 522 | 256 (49.0%) | 266 (51.0%) | selo of Sylgy-Ytar |
| Myatissky 2-y Nasleg (Мятисский 2-й наслег) | 611 | 309 (50.6%) | 302 (49.4%) | selo of Svatay selo of Suchchino |
| Sen-Kyuyolsky Nasleg (Сень-Кюёльский наслег) | 523 | 259 (49.5%) | 264 (50.5%) | selo of Oyusardakh selo of Roman |
| Khatyngakhsky Nasleg (Хатынгнахский наслег) | 294 | 139 (47.3%) | 155 (52.7%) | selo of Khatyngakh |
Divisional source: Population source: *Administrative centers are shown in bold