Palaiyanur is a village in Needamangalam tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Palaiyanur was 1,649 which includes 849 males and 800 females. Palaiyanur covers 301.26 ha area. Pincode of Palaiyanur is 614101.