Sanagapadu is a village in Penuganchiprolu tehsil in district of Krishna, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Sanagapadu was 3,916 which includes 1,966 males and 1,950 females. Sanagapadu covers 1087 ha area. Pincode of Sanagapadu is 523185.