Madapattu is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Madapattu was 1,783 which includes 906 males and 877 females. Madapattu covers 174.58 ha area. Pincode of Madapattu is 607207.