Hardowarpur is a village in Ghanshyampur tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Hardowarpur was 4,339 which includes 2,277 males and 2,062 females. Hardowarpur covers 177 ha area. Pincode of Hardowarpur is 847203.