Kulajan Pathar is a village in Sissibargaon tehsil in district of Dhemaji, Assam, India. As per the data provided by Census of India in 2011, total population of Kulajan Pathar was 281 which includes 140 males and 141 females. Kulajan Pathar covers 106.43 ha area. Pincode of Kulajan Pathar is 786110.