Halaganahalli is a village in Piriyapatna tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of Halaganahalli was 3,022 which includes 1,512 males and 1,510 females. Halaganahalli covers 368.23 ha area. Pincode of Halaganahalli is 571187.