Kunnavakkam is a village in Maduranthakam tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kunnavakkam was 65 which includes 34 males and 31 females. Kunnavakkam covers 108.63 ha area. Pincode of Kunnavakkam is 603314.