Gairbad Gangapur is a village in Sarath tehsil in district of Deoghar, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Gairbad Gangapur was 110 which includes 58 males and 52 females. Gairbad Gangapur covers 33 ha area. Pincode of Gairbad Gangapur is 815357.