Kolappadu is a village in Thirukkuvalai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kolappadu was 3,020 which includes 1,502 males and 1,518 females. Kolappadu covers 497.27 ha area. Pincode of Kolappadu is 610207.