Usari Buzurg is a village in Ghosi tehsil in district of Mau, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Usari Buzurg was 482 which includes 224 males and 258 females. Usari Buzurg covers 39.75 ha area. Pincode of Usari Buzurg is N/A.