Kunnavakkam is a village in Chengalpattu tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kunnavakkam was 881 which includes 462 males and 419 females. Kunnavakkam covers 213.98 ha area. Pincode of Kunnavakkam is 603002.