Billalavalasa is a village in Merakamudidam tehsil in district of Vizianagaram, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Billalavalasa was 872 which includes 413 males and 459 females. Billalavalasa covers 291 ha area. Pincode of Billalavalasa is 535102.