Bananthahalli is a village in Channapatna tehsil in district of Ramanagara, Karnataka, India. As per the data provided by Census of India in 2011, total population of Bananthahalli was 2,358 which includes 1,208 males and 1,150 females. Bananthahalli covers 328.74 ha area. Pincode of Bananthahalli is 562138.