Byadarahosahalli is a village in Nagamangala tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Byadarahosahalli was 60 which includes 27 males and 33 females. Byadarahosahalli covers 99.52 ha area. Pincode of Byadarahosahalli is 571448.