Kotagara 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 Kotagara was 424 which includes 222 males and 202 females. Kotagara covers 108 ha area. Pincode of Kotagara is 835216.