Demuduvalasa is a village in Dumbriguda tehsil in district of Visakhapatnam, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Demuduvalasa was 501 which includes 318 males and 183 females. Demuduvalasa covers 206 ha area. Pincode of Demuduvalasa is 531151.