Vallappanahalli is a village in Sidlaghatta tehsil in district of Chikkaballapura, Karnataka, India. As per the data provided by Census of India in 2011, total population of Vallappanahalli was 713 which includes 367 males and 346 females. Vallappanahalli covers 198.14 ha area. Pincode of Vallappanahalli is 562102.