Gadaganahalli is a village in Kadur tehsil in district of Chikmagalur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gadaganahalli was 223 which includes 114 males and 109 females. Gadaganahalli covers 184.5 ha area. Pincode of Gadaganahalli is 577550.