Bishnu Nagar 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 Bishnu Nagar was 398 which includes 210 males and 188 females. Bishnu Nagar covers 18 ha area. Pincode of Bishnu Nagar is 787049.