Achaljamu is a village in Bishungarh tehsil in district of Hazaribagh, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Achaljamu was 15,730 which includes 7,663 males and 8,067 females. Achaljamu covers 2554.49 ha area. Pincode of Achaljamu is 825312.