Madavilagam is a village in Uthukkottai tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Madavilagam was 4,099 which includes 2,066 males and 2,033 females. Madavilagam covers 331.36 ha area. Pincode of Madavilagam is 601103.