Niz Saidaria is a village in Rupahi tehsil in district of Nagaon, Assam, India. As per the data provided by Census of India in 2011, total population of Niz Saidaria was 3,206 which includes 1,630 males and 1,576 females. Niz Saidaria covers 305.7 ha area. Pincode of Niz Saidaria is 782125.