Atagollahalli is a village in Sidlaghatta tehsil in district of Chikkaballapura, Karnataka, India. As per the data provided by Census of India in 2011, total population of Atagollahalli was 202 which includes 98 males and 104 females. Atagollahalli covers 223.66 ha area. Pincode of Atagollahalli is 563137.