Mahammad Nagar is a village in Bahadurganj tehsil in district of Kishanganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahammad Nagar was 5,855 which includes 3,013 males and 2,842 females. Mahammad Nagar covers 690 ha area. Pincode of Mahammad Nagar is N/A.