Kunnathur 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 Kunnathur was 2,183 which includes 1,088 males and 1,095 females. Kunnathur covers 496.96 ha area. Pincode of Kunnathur is 603306.