Gongapur is a village in Lakhnaur tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Gongapur was 4,656 which includes 2,434 males and 2,222 females. Gongapur covers 364.8 ha area. Pincode of Gongapur is 847403.