Brahmadevarahalli is a village in Madhugiri tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Brahmadevarahalli was 780 which includes 409 males and 371 females. Brahmadevarahalli covers 154.63 ha area. Pincode of Brahmadevarahalli is 572133.