Ranjrokocha is a village in Bandgaon tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Ranjrokocha was 262 which includes 137 males and 125 females. Ranjrokocha covers 115 ha area. Pincode of Ranjrokocha is 833201.