Pethathampatti 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 Pethathampatti was 4,137 which includes 2,088 males and 2,049 females. Pethathampatti covers 1131.09 ha area. Pincode of Pethathampatti is 636903.