Nirmalia Gaon is a village in Naharkatiya tehsil in district of Dibrugarh, Assam, India. As per the data provided by Census of India in 2011, total population of Nirmalia Gaon was 370 which includes 183 males and 187 females. Nirmalia Gaon covers 124.12 ha area. Pincode of Nirmalia Gaon is 786610.