Changadarahalli is a village in Kollegal tehsil in district of Chamarajanagar, Karnataka, India. As per the data provided by Census of India in 2011, total population of Changadarahalli was 3,769 which includes 1,924 males and 1,845 females. Changadarahalli covers 757.59 ha area. Pincode of Changadarahalli is 571444.