Rangajan No 1 is a village in Narayanpur tehsil in district of Lakhimpur, Assam, India. As per the data provided by Census of India in 2011, total population of Rangajan No 1 was 746 which includes 403 males and 343 females. Rangajan No 1 covers 210.08 ha area. Pincode of Rangajan No 1 is 784163.