Sadaiyampattu is a village in Kallakkurichi tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sadaiyampattu was 1,578 which includes 792 males and 786 females. Sadaiyampattu covers 517.16 ha area. Pincode of Sadaiyampattu is 606202.