Madavilagam is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Madavilagam was 1,303 which includes 662 males and 641 females. Madavilagam covers 268.83 ha area. Pincode of Madavilagam is 605701.