Marappanahalli 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 Marappanahalli was 412 which includes 228 males and 184 females. Marappanahalli covers 97.17 ha area. Pincode of Marappanahalli is 562105.