Pillaiyarnatham is a village in Nilakkottai tehsil in district of Dindigul, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pillaiyarnatham was 6,712 which includes 3,422 males and 3,290 females. Pillaiyarnatham covers 753.74 ha area. Pincode of Pillaiyarnatham is 624219.