Sinniampalayam is a village in Avanashi tehsil in district of Tiruppur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sinniampalayam was 1,053 which includes 531 males and 522 females. Sinniampalayam covers 487.48 ha area. Pincode of Sinniampalayam is 638103.