Rayamangalam 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 Rayamangalam was 478 which includes 260 males and 218 females. Rayamangalam covers 162.43 ha area. Pincode of Rayamangalam is 603105.