Puvanur Ko is a village in Virudhachalam tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Puvanur Ko was 2,298 which includes 1,178 males and 1,120 females. Puvanur Ko covers 797.35 ha area. Pincode of Puvanur Ko is 606104.