Shchyolkovsky District (Russian: Щёлковский райо́н) is an administrative and municipal district (raion), one of the thirty-six in Moscow Oblast, Russia. It is located in the northeast of the oblast. The area of the district is 704.88 square kilometers (272.16 sq mi). Its administrative center is the city of Shchyolkovo. Population: 193,629 (2010 Census); 211,560 (2002 Census); 101,216 (1989 Census). The population of Shchyolkovo accounts for 57.0% of the district's total population.