Usri Buzurg is a village in Hasanpura tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Usri Buzurg was 6,329 which includes 3,119 males and 3,210 females. Usri Buzurg covers 91.97 ha area. Pincode of Usri Buzurg is N/A.