[1] As a municipal division, it is incorporated as Angarskoye Urban Okrug.

The area of the district is 1,150 square kilometers (440 sq mi).

[8] Within the framework of administrative divisions, Angarsky District is one of the thirty-three in the oblast.

[2] As a municipal division, the district has been incorporated as Angarskoye Urban Okrug since January 1, 2015.

[6] Prior to that date, the district was incorporated as Angarsky Municipal District, which was subdivided into two urban settlements and two rural settlements.