Kosamtara is a village in Lormi tehsil in district of Bilaspur, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Kosamtara was 2,133 which includes 1,084 males and 1,049 females. Kosamtara covers 628.91 ha area. Pincode of Kosamtara is 495115.