Vadathandalam is a village in Cheyyar tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vadathandalam was 1,342 which includes 670 males and 672 females. Vadathandalam covers 258.19 ha area. Pincode of Vadathandalam is 604407.