Kondarajanahalli 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 Kondarajanahalli was 125 which includes 56 males and 69 females. Kondarajanahalli covers 74.47 ha area. Pincode of Kondarajanahalli is 563125.