Kunnavakkam is a village in Tirukalukundram tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kunnavakkam was 879 which includes 455 males and 424 females. Kunnavakkam covers 354.17 ha area. Pincode of Kunnavakkam is 603102.