Poraiyur 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 Poraiyur was 1,703 which includes 859 males and 844 females. Poraiyur covers 483.41 ha area. Pincode of Poraiyur is 603319.