Jenasai is a village in Chakradharpur tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Jenasai was 332 which includes 163 males and 169 females. Jenasai covers 150 ha area. Pincode of Jenasai is 833102.