Harpurwa is a village in Bajpatti tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Harpurwa was 6,909 which includes 3,578 males and 3,331 females. Harpurwa covers 272 ha area. Pincode of Harpurwa is 843314.