Ku Kallakurichi 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 Ku Kallakurichi was 1,610 which includes 845 males and 765 females. Ku Kallakurichi covers 752.75 ha area. Pincode of Ku Kallakurichi is 606115.