Mahammadpur is a village in Sidhwalia tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahammadpur was 7,273 which includes 3,754 males and 3,519 females. Mahammadpur covers 445.05 ha area. Pincode of Mahammadpur is N/A.