Thandapur is a village in Bihpur tehsil in district of Bhagalpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Thandapur was 12,963 which includes 6,872 males and 6,091 females. Thandapur covers 522 ha area. Pincode of Thandapur is 853201.