Barasat Sadar subdivision is an administrative subdivision of the North 24 Parganas district in the Indian state of West Bengal. After transferring Rajarhat-Gopalpur Municipality and Rajarhat (Community development block) to Bidhannagar subdivision, Barasat Sadar subdivision's total area becomes 894.61 sq km (345.41 sq mi), population becomes 2,196,874 (2011 Census) and density becomes 2,500/sq km (6,400/sq mi).