Kol Buzurg is a village in Amarpur tehsil in district of Banka, Bihar, India. As per the data provided by Census of India in 2011, total population of Kol Buzurg was 4,576 which includes 2,384 males and 2,192 females. Kol Buzurg covers 310 ha area. Pincode of Kol Buzurg is N/A.