Rampur Lauwa is a village in Bhagwanpur Hat tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Rampur Lauwa was 1,039 which includes 519 males and 520 females. Rampur Lauwa covers 63 ha area. Pincode of Rampur Lauwa is 841507.