Gangapur is a village in Karma Tanr Vidyasagar tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Gangapur was 237 which includes 114 males and 123 females. Gangapur covers 47.15 ha area. Pincode of Gangapur is 815352.