Thondavadi is a village in Gundlupet tehsil in district of Chamarajanagar, Karnataka, India. As per the data provided by Census of India in 2011, total population of Thondavadi was 2,158 which includes 1,100 males and 1,058 females. Thondavadi covers 835.05 ha area. Pincode of Thondavadi is 571109.