Byadarahalli is a village in Mulbagal tehsil in district of Kolar, Karnataka, India. As per the data provided by Census of India in 2011, total population of Byadarahalli was 1,087 which includes 556 males and 531 females. Byadarahalli covers 338.91 ha area. Pincode of Byadarahalli is 563132.