Venkatarajanahalli is a village in Malur tehsil in district of Kolar, Karnataka, India. As per the data provided by Census of India in 2011, total population of Venkatarajanahalli was 482 which includes 239 males and 243 females. Venkatarajanahalli covers 137.95 ha area. Pincode of Venkatarajanahalli is 563137.