Krishnankuppam is a village in Kurinjipadi tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Krishnankuppam was 3,428 which includes 1,733 males and 1,695 females. Krishnankuppam covers 260.57 ha area. Pincode of Krishnankuppam is 607301.