Kadapakkam is a village in Mathavaram tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kadapakkam was 2,941 which includes 1,436 males and 1,505 females. Kadapakkam covers 311.36 ha area. Pincode of Kadapakkam is 600103.