Sergokalinsky District (Russian: Сергокали́нский райо́н; Dargwa: Сергокъала къатI) is an administrative and municipal district (raion), one of the forty-one in the Republic of Dagestan, Russia. It is located in the east of the republic. The area of the district is 528.4 square kilometers (204.0 sq mi). Its administrative center is the rural locality (a selo) of Sergokala. As of the 2010 Census, the total population of the district was 27,133, with the population of Sergokala accounting for 30.0% of that number.