Silavattam is a village in Maduranthakam tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Silavattam was 3,119 which includes 1,556 males and 1,563 females. Silavattam covers 509.55 ha area. Pincode of Silavattam is 603306.