Alangudi 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 Alangudi was 2,541 which includes 1,228 males and 1,313 females. Alangudi covers 289.52 ha area. Pincode of Alangudi is 612801.