Demow Pathar is a village in Amguri tehsil in district of Sivasagar, Assam, India. As per the data provided by Census of India in 2011, total population of Demow Pathar was 619 which includes 320 males and 299 females. Demow Pathar covers 350.87 ha area. Pincode of Demow Pathar is 785662.