Royalpattu 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 Royalpattu was 842 which includes 429 males and 413 females. Royalpattu covers 162.89 ha area. Pincode of Royalpattu is 603108.