Kottaikadu is a village in Cheyyur tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kottaikadu was 3,051 which includes 1,510 males and 1,541 females. Kottaikadu covers 975 ha area. Pincode of Kottaikadu is 603304.