No 1 Niz Geruajhar is a village in Harisinga tehsil in district of Udalguri, Assam, India. As per the data provided by Census of India in 2011, total population of No 1 Niz Geruajhar was 1,660 which includes 850 males and 810 females. No 1 Niz Geruajhar covers 272.59 ha area. Pincode of No 1 Niz Geruajhar is N/A.