Sadayankuppam is a village in Mathavaram tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sadayankuppam was 5,348 which includes 2,704 males and 2,644 females. Sadayankuppam covers 668.51 ha area. Pincode of Sadayankuppam is 600103.