Bongaigaon is one of the 126 constituencies of the Assam Legislative Assembly in India. Bongaigaon forms a part of the Barpeta Lok Sabha constituency.
The constituency includes Bongaigaon Municipality, New Bongaigaon Rly. Colony, Manikpur Dev. Block(Part), Dangtol Dev. Block(Part), Boitamari Dev. Block(Part).