Gendanahalli is a village in Palakkodu tehsil in district of Dharmapuri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Gendanahalli was 3,171 which includes 1,614 males and 1,557 females. Gendanahalli covers 1728.27 ha area. Pincode of Gendanahalli is 636806.