Ganjia is a village in Tantnagar tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Ganjia was 1,184 which includes 580 males and 604 females. Ganjia covers 247 ha area. Pincode of Ganjia is 833201.