Kusumjharna 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 Kusumjharna was 19 which includes 10 males and 9 females. Kusumjharna covers 19.46 ha area. Pincode of Kusumjharna is 816119.