Bairi Sath is a village in Madhuban tehsil in district of Mau, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Bairi Sath was 154 which includes 71 males and 83 females. Bairi Sath covers 38.02 ha area. Pincode of Bairi Sath is 275306.