It stretches from Highway 401 in the south to Steeles Avenue in the north.

In 2018, the district was dissolved into Scarborough—Rouge Park and Scarborough North.

According to the 2011 Canadian census[1][2] In 2001, 13.6% of the population was Hindu, the highest in Canada.

[3] Scarborough—Rouge River consisted of the part of the City of Toronto bounded on the north and east by the city limits, on the west by Midland Avenue, and on the south by a line drawn from the east city limit west along Finch Avenue East, south along Meadowvale Road, west along Sheppard Avenue East, south along Morningside Avenue, west along Highway 401, north along Brimley Road, and west along Finch Avenue East to Midland Avenue.

The riding contained the neighbourhoods of Agincourt (part), Armadale, Malvern, Milliken (part) and Morningside Heights.