Eraiyur is a village in Veppanthattai tehsil in district of Perambalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Eraiyur was 6,074 which includes 3,030 males and 3,044 females. Eraiyur covers 1181.18 ha area. Pincode of Eraiyur is 621133.