Kasthambady is a village in Polur tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kasthambady was 7,383 which includes 3,689 males and 3,694 females. Kasthambady covers 1721.16 ha area. Pincode of Kasthambady is 606905.