Tammadahalli is a village in Hunsur tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of Tammadahalli was 1,392 which includes 693 males and 699 females. Tammadahalli covers 514.32 ha area. Pincode of Tammadahalli is 571134.