Gajjaganahalli is a village in Challakere tehsil in district of Chitradurga, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gajjaganahalli was 1,826 which includes 944 males and 882 females. Gajjaganahalli covers 856.74 ha area. Pincode of Gajjaganahalli is 577543.