Ranga Pathar is a village in Naobaicha tehsil in district of Lakhimpur, Assam, India. As per the data provided by Census of India in 2011, total population of Ranga Pathar was 1,146 which includes 583 males and 563 females. Ranga Pathar covers 237.29 ha area. Pincode of Ranga Pathar is 787052.