Usri Paharpur is a village in Baikunthpur tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Usri Paharpur was 575 which includes 284 males and 291 females. Usri Paharpur covers 33 ha area. Pincode of Usri Paharpur is 841420.