Karaballavolu is a village in Ojili tehsil in district of Sri Potti Sriramulu Nellore, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Karaballavolu was 1,065 which includes 547 males and 518 females. Karaballavolu covers 936 ha area. Pincode of Karaballavolu is 524402.