Hemarlahalli 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 Hemarlahalli was 1,422 which includes 730 males and 692 females. Hemarlahalli covers 275.91 ha area. Pincode of Hemarlahalli is 562102.