Thadhanur is a village in Pappireddipatti tehsil in district of Dharmapuri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thadhanur was 1,086 which includes 550 males and 536 females. Thadhanur covers 212.83 ha area. Pincode of Thadhanur is 635302.