Kilakkumarudur is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kilakkumarudur was 2,479 which includes 1,264 males and 1,215 females. Kilakkumarudur covers 320.24 ha area. Pincode of Kilakkumarudur is 607204.