Chhotamajhdiha is a village in Pathna tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Chhotamajhdiha was 121 which includes 60 males and 61 females. Chhotamajhdiha covers 154.08 ha area. Pincode of Chhotamajhdiha is 816119.