Niz Gadhaijhar is a village in Dalgaon tehsil in district of Darrang, Assam, India. As per the data provided by Census of India in 2011, total population of Niz Gadhaijhar was 1,497 which includes 742 males and 755 females. Niz Gadhaijhar covers 117.31 ha area. Pincode of Niz Gadhaijhar is N/A.