Peraiyur I is a village in Mannargudi tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Peraiyur I was 2,439 which includes 1,171 males and 1,268 females. Peraiyur I covers 508.52 ha area. Pincode of Peraiyur I is 614018.