Thandalam is a village in Chengalpattu tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thandalam was 5,546 which includes 2,771 males and 2,775 females. Thandalam covers 576.97 ha area. Pincode of Thandalam is 603110.