Rampurwa is a village in Mainatanr tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Rampurwa was 3,331 which includes 1,718 males and 1,613 females. Rampurwa covers 253.4 ha area. Pincode of Rampurwa is 845306.