Ammagarahalli 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 Ammagarahalli was 429 which includes 211 males and 218 females. Ammagarahalli covers 148.62 ha area. Pincode of Ammagarahalli is 562105.