Sarjamhatu is a village in Sonua tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Sarjamhatu was 1,241 which includes 599 males and 642 females. Sarjamhatu covers 167 ha area. Pincode of Sarjamhatu is 833102.