Chamanpura is a village in Baikunthpur tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Chamanpura was 7,682 which includes 3,863 males and 3,819 females. Chamanpura covers 453 ha area. Pincode of Chamanpura is 841416.