Khagaria Assembly constituency is an assembly constituency in Khagaria district in the Indian state of Bihar.

In the 2015 Bihar Legislative Assembly election, Khagaria was one of the 36 seats to have VVPAT enabled electronic voting machines.

[1][2] As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No.

149 Khagaria Assembly constituency is composed of the following: Khagaria municipality; Mansi community development block; Bhadas Dakshini, Bhadas Uttari, Kasimpur, Mathurapur, Bachhouta, Sanhouli, Ranko, Sansarpur, Gourashakti, Marar Dakshni, Marar Uttari, Rasounk, Uttar Marar, Rahimpur Uttari, Rahimpur Madhya, Rahimpur Dakshin, Labhganva, Kothia gram panchayats of Khagaria CD Block.

25 Khagaria (Lok Sabha constituency).