Harsinghpur is a village in Alinagar tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Harsinghpur was 8,099 which includes 4,252 males and 3,847 females. Harsinghpur covers 976 ha area. Pincode of Harsinghpur is 847405.