Angarsky District is an administrative district (raion), one of the thirty-three in Irkutsk Oblast, Russia. As a municipal division, it is incorporated as Angarskoye Urban Okrug. It is located in the southwest of the oblast. The area of the district is 1,150 square kilometers (440 sq mi). Its administrative center is the city of Angarsk. Population: 12,010 (2010 census); 11,574.