Gosainpur is a village in Nalhati I tehsil in district of Birbhum, West Bengal, India. As per the data provided by Census of India in 2011, total population of Gosainpur was 4,980 which includes 2,487 males and 2,493 females. Gosainpur covers 416.84 ha area. Pincode of Gosainpur is 731220.