Viswanadhapuram is a village in Venkatagiri 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 Viswanadhapuram was 145 which includes 75 males and 70 females. Viswanadhapuram covers 125 ha area. Pincode of Viswanadhapuram is 524132.