Kilmalayanur is a village in Tindivanam tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kilmalayanur was 571 which includes 276 males and 295 females. Kilmalayanur covers 135.46 ha area. Pincode of Kilmalayanur is 604207.