Mahmadpur Baya is a village in Saraiya tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahmadpur Baya was 2,616 which includes 1,358 males and 1,258 females. Mahmadpur Baya covers 222.85 ha area. Pincode of Mahmadpur Baya is 843126.