Tamsai is a village in Goilkera tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Tamsai was 1,147 which includes 574 males and 573 females. Tamsai covers 341 ha area. Pincode of Tamsai is 833105.