Chamanahalli is a village in Maddur tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Chamanahalli was 4,894 which includes 2,410 males and 2,484 females. Chamanahalli covers 631.44 ha area. Pincode of Chamanahalli is 571429.