Reddydyavarahalli is a village in Gauribidanur tehsil in district of Chikkaballapura, Karnataka, India. As per the data provided by Census of India in 2011, total population of Reddydyavarahalli was 685 which includes 357 males and 328 females. Reddydyavarahalli covers 358.86 ha area. Pincode of Reddydyavarahalli is 561207.