Hasanpur Sarsauna is a village in Tajpur tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Hasanpur Sarsauna was 1,040 which includes 535 males and 505 females. Hasanpur Sarsauna covers 40 ha area. Pincode of Hasanpur Sarsauna is 848130.