Halladakallahalli is a village in Hunsur tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of Halladakallahalli was 142 which includes 78 males and 64 females. Halladakallahalli covers 166.03 ha area. Pincode of Halladakallahalli is 571103.