Thammadavalli is a village in Koppa tehsil in district of Chikmagalur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Thammadavalli was 532 which includes 250 males and 282 females. Thammadavalli covers 533.26 ha area. Pincode of Thammadavalli is 577126.