Koilamari 306 is a village in North Lakhimpur tehsil in district of Lakhimpur, Assam, India. As per the data provided by Census of India in 2011, total population of Koilamari 306 was 253 which includes 123 males and 130 females. Koilamari 306 covers 177.22 ha area. Pincode of Koilamari 306 is 787051.