Sadarahalli is a village in Chiknayakanhalli tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Sadarahalli was 1,511 which includes 744 males and 767 females. Sadarahalli covers 1365.6 ha area. Pincode of Sadarahalli is 572228.