Ranga Asna is a village in Saraiyahat tehsil in district of Dumka, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Ranga Asna was 278 which includes 130 males and 148 females. Ranga Asna covers 31.54 ha area. Pincode of Ranga Asna is 814151.