Masudan is a village in Surajgarha tehsil in district of Lakhisarai, Bihar, India. As per the data provided by Census of India in 2011, total population of Masudan was 2,383 which includes 1,252 males and 1,131 females. Masudan covers 779.1 ha area. Pincode of Masudan is N/A.