Kosa is a village in Pamgarh tehsil in district of Janjgir Champa, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Kosa was 5,616 which includes 2,849 males and 2,767 females. Kosa covers 2047.81 ha area. Pincode of Kosa is 495663.