Balnadu is a village in Puttur tehsil in district of Dakshina Kannada, Karnataka, India. As per the data provided by Census of India in 2011, total population of Balnadu was 4,026 which includes 2,009 males and 2,017 females. Balnadu covers 1415.74 ha area. Pincode of Balnadu is 574243.