Poonaerrupu is a village in Valangaiman tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Poonaerrupu was 855 which includes 433 males and 422 females. Poonaerrupu covers 220.5 ha area. Pincode of Poonaerrupu is 612801.