Kadayampatti is a village in Omalur tehsil in district of Salem, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kadayampatti was 5,292 which includes 2,703 males and 2,589 females. Kadayampatti covers 1175.93 ha area. Pincode of Kadayampatti is 636351.